Abs Module

ABS MODULE DTC CHART

DTC	Description	Action
B10DF:46	Master Cylinder Isolation Valve: Calibration/Parameter Memory Failure	This DTC sets due to an internal failure of the ABS module or due to a calibration failure between the HCU and the ABS module. Using a diagnostic scan tool, CARRY OUT all 3 of the following routines in the order listed: Inlet Valve Calibration and Master Cylinder Isolation Calibration. Then carry out Regenerative Brake System Calibration. CLEAR the DTC and REPEAT the self-test. If the DTC returns, REPEAT all 3 calibration routines making sure to FOLLOW the diagnostic scan tool directions. CLEAR the DTC and REPEAT the self-test. If the DTC returns, INSTALL a new ABS module and HCU assembly. REFER to: Hydraulic Control Unit (HCU) .
C0001:01	TCS Control Channel A Valve 1: General Electrical Failure	This DTC indicates that part of the ABS module has failed internally. CLEAR the DTC . REPEAT the self-test. If the DTC returns, INSTALL a new ABS module and HCU assembly. REFER to: Hydraulic Control Unit (HCU) .
C0002:01	TCS Control Channel A Valve 2: General Electrical Failure	This DTC indicates that part of the ABS module has failed internally. CLEAR the DTC . REPEAT the self-test. If the DTC returns, INSTALL a new ABS module and HCU assembly. REFER to: Hydraulic Control Unit (HCU) .
C0003:01	TCS Control Channel B Valve 1: General Electrical Failure	This DTC indicates that part of the ABS module has failed internally. CLEAR the DTC . REPEAT the self-test. If the DTC returns, INSTALL a new ABS module and HCU assembly. REFER to: Hydraulic Control Unit (HCU) .
C0004:01	TCS Control Channel B Valve 2: General Electrical Failure	This DTC indicates that part of the ABS module has failed internally. CLEAR the DTC . REPEAT the self-test. If the DTC returns, INSTALL a new ABS module and HCU assembly. REFER to: Hydraulic Control Unit (HCU) .
C0010:01	Left Front Inlet Control: General Electrical Failure	This DTC indicates that part of the ABS module has failed internally. CLEAR the DTC . REPEAT the self-test. If the DTC returns, INSTALL a new ABS module and HCU assembly. REFER to: Hydraulic Control Unit (HCU) .
C0011:01	Left Front Outlet Control: General Electrical Failure	This DTC indicates that part of the ABS module has failed internally. CLEAR the DTC . REPEAT the self-test. If the DTC returns, INSTALL a new ABS module and HCU assembly. REFER to: Hydraulic Control Unit (HCU) .
C0014:01	Right Front Inlet Control: General Electrical Failure	This DTC indicates that part of the ABS module has failed internally. CLEAR the DTC . REPEAT the self-test. If the DTC returns, INSTALL a new ABS module and HCU assembly. REFER to: Hydraulic Control Unit (HCU) .
C0015:01	Right Front Outlet Control: General Electrical	Failure This DTC indicates that part of the ABS module has failed internally. CLEAR the DTC . REPEAT the self-test. If the DTC returns, INSTALL a new ABS module and HCU assembly. REFER to: Hydraulic Control Unit (HCU) .
C0018:01	Left Rear Inlet Control: General Electrical Failure	This DTC indicates that part of the ABS module has failed internally. CLEAR the DTC . REPEAT the self-test. If the DTC returns, INSTALL a new ABS module and HCU assembly. REFER to: Hydraulic Control Unit (HCU) .
C0019:01	Left Rear Outlet Control: General Electrical Failure	This DTC indicates that part of the ABS module has failed internally. CLEAR the DTC . REPEAT the self-test. If the DTC returns, INSTALL a new ABS module and HCU assembly. REFER to: Hydraulic Control Unit (HCU) .
C001C:01	Right Rear Inlet Control: General Electrical Failure	This DTC indicates that part of the ABS module has failed internally. CLEAR the DTC . REPEAT the self-test. If the DTC returns, INSTALL a new ABS module and HCU assembly. REFER to: Hydraulic Control Unit (HCU) .
C001D:01	Right Rear Outlet Control: General Electrical Failure	This DTC indicates that part of the ABS module has failed internally. CLEAR the DTC . REPEAT the self-test. If the DTC returns, INSTALL a new ABS module and HCU assembly. REFER to: Hydraulic Control Unit (HCU) .
C0020:11	ABS Pump Motor Control: Circuit Short To Ground	This DTC indicates that part of the ABS module has failed internally. CLEAR the DTC . REPEAT the ABS module self-test. If the DTC returns, INSTALL a new ABS module and HCU assembly. REFER to: Hydraulic Control Unit (HCU) .
C0020:12	ABS Pump Motor Control: Circuit Short To Battery	This DTC indicates that part of the ABS module has failed internally. CLEAR the DTC . REPEAT the ABS module self-test. If the DTC returns, INSTALL a new ABS module and HCU assembly. REFER to: Hydraulic Control Unit (HCU) .
C0020:13	ABS Pump Motor Control: Circuit Open	GO to PINPOINT TEST H
C0020:71	ABS Pump Motor Control: Actuator Stuck	GO to PINPOINT TEST H
C0021:21	Brake Booster Performance: Signal Amplitude < Minimum	GO to PINPOINT TEST N
C0021:66	Brake Booster Performance: Signal Has Too Many Transitions/Events	GO to PINPOINT TEST N
C0021:77	Brake Booster Performance: Commanded Position Not Reachable	GO to PINPOINT TEST N
C0021:97	Brake Booster Performance: Component or System Operation Obstructed or Blocked	GO to PINPOINT TEST N
C0022:01	Brake Booster Solenoid: General Electrical Failure	GO to PINPOINT TEST J
C0022:11	Brake Booster Solenoid: Circuit Short To Ground	GO to PINPOINT TEST J
C0022:12	Brake Booster Solenoid: Circuit Short To Battery	GO to PINPOINT TEST J
C0022:49	Brake Booster Solenoid: Internal Electronic Failure	GO to PINPOINT TEST J
C0030:07	Left Front Tone Wheel: Mechanical Failure	GO to PINPOINT TEST B
C0031:07	Left Front Wheel Speed Sensor: Mechanical Failure	GO to PINPOINT TEST B
C0031:11	Left Front Wheel Speed Sensor: Circuit Short to Ground	GO to PINPOINT TEST O
C0031:15	Left Front Wheel Speed Sensor: Circuit Short to Battery or Open	GO to PINPOINT TEST O
C0031:29	Left Front Wheel Speed Sensor: Signal Invalid	GO to PINPOINT TEST B
C0031:2F	Left Front Wheel Speed Sensor: Signal Erratic	GO to PINPOINT TEST B
C0031:4A	Left Front Wheel Speed Sensor: Incorrect Component Installed	This DTC sets when the incorrect type of wheel speed sensor has been installed, bi-directional versus non-bi-directional. For information on wheel speed sensor types, REFER to: ANTI-LOCK BRAKE SYSTEM (ABS) AND STABILITY CONTROL - SYSTEM OPERATION AND COMPONENT DESCRIPTION . VERIFY that the correct wheel speed sensor has been installed (part number is stamped on the sensor). If the incorrect wheel speed sensor has been installed, INSTALL a new wheel speed sensor. REFER to: FRONT WHEEL SPEED SENSOR . CYCLE the ignition. DRIVE the vehicle and reach a speed of at least 20 km/h (12 mph) for the ABS module carry out a wheel speed sensor self test. If the correct wheel speed sensor is installed, INSTALL a new ABS module and HCU assembly. REFER to: Hydraulic Control Unit (HCU) .
C0031:64	Left Front Wheel Speed Sensor: Signal Plausibility Failure	GO to PINPOINT TEST B
C0033:07	Right Front Tone Wheel: Mechanical Failure	GO to PINPOINT TEST B
C0034:07	Right Front Wheel Speed Sensor: Mechanical Failure	GO to PINPOINT TEST B
C0034:11	Right Front Wheel Speed Sensor: Circuit Short to Ground	GO to PINPOINT TEST O
C0034:15	Right Front Wheel Speed Sensor: Circuit Short to Battery or Open	GO to PINPOINT TEST O
C0034:29	Right Front Wheel Speed Sensor: Signal Invalid	GO to PINPOINT TEST B
C0034:2F	Right Front Wheel Speed Sensor: Signal Erratic	GO to PINPOINT TEST B
C0034:4A	Right Front Wheel Speed Sensor: Incorrect Component Installed	This DTC sets when the incorrect type of wheel speed sensor has been installed, bi-directional versus non-bi-directional. For information on wheel speed sensor types, REFER to: ANTI-LOCK BRAKE SYSTEM (ABS) AND STABILITY CONTROL - SYSTEM OPERATION AND COMPONENT DESCRIPTION . VERIFY that the correct wheel speed sensor has been installed (part number is stamped on the sensor). If the incorrect wheel speed sensor has been installed, INSTALL a new wheel speed sensor. REFER to: FRONT WHEEL SPEED SENSOR . CYCLE the ignition. DRIVE the vehicle and reach a speed of at least 20 km/h (12 mph) for the ABS module carry out a wheel speed sensor self test. If the correct wheel speed sensor is installed, INSTALL a new ABS module and HCU assembly. REFER to: Hydraulic Control Unit (HCU) .
C0034:64	Right Front Wheel Speed Sensor: Signal Plausibility Failure	GO to PINPOINT TEST B
C0036:07	Left Rear Tone Wheel: Mechanical Failure	GO to PINPOINT TEST B
C0037:07	Left Rear Wheel Speed Sensor: Mechanical Failure	GO to PINPOINT TEST B
C0037:11	Left Rear Wheel Speed Sensor: Circuit Short to Ground	GO to PINPOINT TEST P
C0037:15	Left Rear Wheel Speed Sensor: Circuit Short to Battery or Open	GO to PINPOINT TEST P
C0037:29	Left Rear Wheel Speed Sensor: Signal Invalid	GO to PINPOINT TEST B
C0037:2F	Left Rear Wheel Speed Sensor: Signal Erratic	GO to PINPOINT TEST B
C0037:4A	Left Rear Wheel Speed Sensor: Incorrect Component Installed	This DTC sets when the incorrect type of wheel speed sensor has been installed, bi-directional versus non-bi-directional. For information on wheel speed sensor types, REFER to ANTI-LOCK BRAKE SYSTEM (ABS) AND STABILITY CONTROL - SYSTEM OPERATION AND COMPONENT DESCRIPTION . Diagnose DTC U2100:00 and all other wheel speed sensor Diagnostic Trouble Codes (DTCs) before diagnosing any "Incorrect Component Installed" wheel speed sensor Diagnostic Trouble Codes (DTCs). If there are no other ABS module Diagnostic Trouble Codes (DTCs) present, INSTALL a new wheel speed sensor. REFER to: REAR WHEEL SPEED SENSOR .
C0037:64	Left Rear Wheel Speed Sensor: Signal Plausibility Failure	GO to PINPOINT TEST B
C0039:07	Right Rear Tone Wheel: Mechanical Failure	GO to PINPOINT TEST B
C003A:07	Right Rear Wheel Speed Sensor: Mechanical Failure	GO to PINPOINT TEST B
C003A:11	Right Rear Wheel Speed Sensor: Circuit Short to Ground	GO to PINPOINT TEST P
C003A:15	Right Rear Wheel Speed Sensor: Circuit Short to Battery or Open	GO to PINPOINT TEST P
C003A:29	Right Rear Wheel Speed Sensor: Signal Invalid	GO to PINPOINT TEST B
C003A:2F	Right Rear Wheel Speed Sensor: Signal Erratic	GO to PINPOINT TEST B
C003A:4A	Right Rear Wheel Speed Sensor: Incorrect Component Installed	This DTC sets when the incorrect type of wheel speed sensor has been installed, bi-directional versus non-bi-directional. For information on wheel speed sensor types, REFER to: ANTI-LOCK BRAKE SYSTEM (ABS) AND STABILITY CONTROL - SYSTEM OPERATION AND COMPONENT DESCRIPTION . Diagnose DTC U2100:00 and all other wheel speed sensor Diagnostic Trouble Codes (DTCs) before diagnosing any "Incorrect Component Installed" wheel speed sensor Diagnostic Trouble Codes (DTCs). If there are no other ABS module Diagnostic Trouble Codes (DTCs) present, INSTALL a new wheel speed sensor. REFER to: REAR WHEEL SPEED SENSOR .
C003A:64	Right Rear Wheel Speed Sensor: Signal Plausibility Failure	GO to PINPOINT TEST B
C0040:64	Brake Pedal Switch A: Signal Plausibility Failure	GO to PINPOINT TEST C
C0044:28	Brake Pressure Sensor A: Signal Bias Level Out of Range/Zero Adjustment Failure	DIAGNOSE DTC C0040:64 before diagnosing this DTC . If DTC C0040:64 is not present, CLEAR the DTC . CYCLE the ignition from ON to OFF and back to ON. REPEAT the self-test. If DTC C0044:28 returns, VERIFY all ABS module-to-HCU fasteners are tightened to 2 Nm (18 lb-in). If all fasteners are tightened to their correct torque specifications, INSTALL a new ABS module and HCU assembly. REFER to: Hydraulic Control Unit (HCU) .
C0044:47	Brake Pressure Sensor A: Watchdog/Safety Failure	DIAGNOSE DTC C0040:64 before diagnosing this DTC . If DTC C0040:64 is not present, CLEAR the DTC . CYCLE the ignition from ON to OFF and back to ON. REPEAT the self-test. If DTC C0044:47 returns, VERIFY all ABS module-to-HCU fasteners are tightened to 2 Nm (18 lb-in). If all fasteners are tightened to their correct torque specifications, INSTALL a new ABS module and HCU assembly. REFER to: Hydraulic Control Unit (HCU) .
C0044:49	Brake Pressure Sensor A: Internal Electronic Failure	DIAGNOSE DTC C0040:64 before diagnosing this DTC . If DTC C0040:64 is not present, CLEAR the DTC . CYCLE the ignition from ON to OFF and back to ON. REPEAT the self-test. If DTC C0044:49 returns, VERIFY all ABS module-to-HCU fasteners are tightened to 2 Nm (18 lb-in). If all fasteners are tightened to their correct torque specifications, INSTALL a new ABS module and HCU assembly. REFER to: Hydraulic Control Unit (HCU) .
C0044:51	Brake Pressure Sensor A: Not Programmed	DIAGNOSE DTC C0040:64 before diagnosing this DTC . If DTC C0040:64 is not present, CLEAR the DTC . CYCLE the ignition from ON to OFF and back to ON. REPEAT the self-test. If DTC C0044:51 returns, VERIFY all ABS module-to-HCU fasteners are tightened to 2 Nm (18 lb-in). If all fasteners are tightened to their correct torque specifications, INSTALL a new ABS module and HCU assembly. REFER to: Hydraulic Control Unit (HCU) .
C0044:64	Brake Pressure Sensor A: Signal Plausibility Failure	DIAGNOSE DTC C0040:64 before diagnosing this DTC . If DTC C0040:64 is not present, CLEAR the DTC . CYCLE the ignition from ON to OFF and back to ON. REPEAT the self-test. If DTC C0044:64 returns, VERIFY all ABS module-to-HCU fasteners are tightened to 2 Nm (18 lb-in). If all fasteners are tightened to their correct torque specifications, INSPECT the brake tubes and connections for damage and leaks. REPAIR or INSTALL new as necessary. If brake tubes and connections are OK and there are no brake fluid leaks, BLEED the brake system. REFER to: BRAKE SYSTEM BLEEDING . CYCLE the ignition from ON to OFF and back to ON. CARRY OUT the ABS module self-test. If this DTC returns, INSTALL a new ABS module and HCU assembly. REFER to: Hydraulic Control Unit (HCU) .
C0044:8F	Brake Pressure Sensor A: Erratic	DIAGNOSE DTC C0040:64 before diagnosing this DTC . If DTC C0040:64 is not present, CLEAR the DTC . CYCLE the ignition from ON to OFF and back to ON. REPEAT the self-test. If DTC C0044:8F returns, VERIFY all ABS module-to-HCU fasteners are tightened to 2 Nm (18 lb-in). If all fasteners are tightened to their correct torque specifications, INSTALL a new ABS module and HCU assembly. REFER to: Hydraulic Control Unit (HCU) .
C0047:01	Brake Booster Pressure Sensor: General Electric Failure	GO to PINPOINT TEST R
C0047:1B	Brake Booster Pressure Sensor: Circuit Resistance Above Threshold	GO to PINPOINT TEST R
C0047:26	Brake Booster Pressure Sensor: Signal Rate of Change Below Threshold	GO to PINPOINT TEST R
C0047:27	Brake Booster Pressure Sensor: Signal Rate of Change Above Threshold	GO to PINPOINT TEST R
C0047:62	Brake Booster Pressure Sensor: Signal Compare Failure	GO to PINPOINT TEST R
C0048:11	Brake Booster Travel Sensor: Circuit Short to Ground	GO to PINPOINT TEST Q
C0048:12	Brake Booster Travel Sensor: Circuit Short to Battery	GO to PINPOINT TEST Q
C0048:64	Brake Booster Travel Sensor: Signal Plausibility Failure	GO to PINPOINT TEST Q
C0051:28	Steering Wheel Position Sensor: Signal Bias Level Out of Range/Zero Adjustment Failure	GO to PINPOINT TEST M
C0051:54	Steering Wheel Position Sensor: Missing Calibration	GO to PINPOINT TEST M
C0051:62	Steering Wheel Position Sensor: Signal Compare Failure	GO to PINPOINT TEST M
C0051:64	Steering Wheel Position Sensor: Signal Plausibility Failure	GO to PINPOINT TEST M
C0051:85	Steering Wheel Position Sensor: Signal Above Allowable Range	GO to PINPOINT TEST M
C0051:96	Steering Wheel Position Sensor: Component Internal Failure	GO to PINPOINT TEST M
C0061:28	Lateral Acceleration Sensor: Signal Bias Level Out of Range/Zero Adjustment Failure	GO to PINPOINT TEST G
C0061:2F	Lateral Acceleration Sensor: Signal Erratic	GO to PINPOINT TEST G
C0061:64	Lateral Acceleration Sensor: Signal Plausibility Failure	GO to PINPOINT TEST G
C0062:28	Longitudinal Acceleration Sensor: Signal Bias Level Out of Range/Zero Adjustment Failure	GO to PINPOINT TEST G
C0062:54	Longitudinal Acceleration Sensor: Missing Calibration	This DTC sets if the stability sensors in the RCM have not been calibrated or the calibration has been lost. CARRY OUT the Regenerative Brake System Calibration routine, FOLLOW the diagnostic scan tool instructions. If the module fails the calibration routine, VERIFY the RCM is installed correctly and the fasteners are tightened to specifications. REINSTALL or INSTALL new as necessary. REFER to: RESTRAINTS CONTROL MODULE (RCM) . If the RCM is OK, CARRY OUT the RCM self-test. RETRIEVE and RECORD any Diagnostic Trouble Codes (DTCs). REFER to: AIRBAG SUPPLEMENTAL RESTRAINT SYSTEM (SRS) - VEHICLES BUILT FROM: 11-JUNE-2012 . If the module passes the calibration routine, CLEAR the DTC . CYCLE the ignition from ON to OFF and back to ON. CARRY OUT the ABS module self-test. If the DTC returns, INSTALL a new ABS module and HCU assembly. REFER to: Hydraulic Control Unit (HCU)
C0062:64	Longitudinal Acceleration Sensor: Signal Plausibility Failure	GO to PINPOINT TEST G
C0062:76	Longitudinal Acceleration Sensor: Wrong Mounting Position	Due to the nature of the longitudinal acceleration sensor, the RCM must be installed in the correct orientation to the centerline of the vehicle. This DTC sets if the RCM has been installed in the wrong position. VERIFY the RCM is installed correctly and the fasteners are tightened to specifications. REINSTALL or INSTALL new as necessary. REFER to: AIRBAG SUPPLEMENTAL RESTRAINT SYSTEM (SRS) - VEHICLES BUILT FROM: 11-JUNE-2012 . If the RCM is OK, CARRY OUT the RCM self-test. RETRIEVE and RECORD any Diagnostic Trouble Codes (DTCs). REFER to: AIRBAG SUPPLEMENTAL RESTRAINT SYSTEM (SRS) - VEHICLES BUILT FROM: 11-JUNE-2012 .
C0063:28	Yaw Rate Sensor: Signal Bias Level Out of Range/Zero Adjustment Failure	GO to PINPOINT TEST G
C0063:2F	Yaw Rate Sensor: Signal Erratic	GO to PINPOINT TEST G
C0063:64	Yaw Rate Sensor: Signal Plausibility Failure	GO to PINPOINT TEST G
C006B:00	Stability System Active Too Long: No Sub Type Information	DIAGNOSE all other ABS module Diagnostic Trouble Codes (DTCs) before diagnosing DTC C006B:00 If no other ABS module Diagnostic Trouble Codes (DTCs) are present, GO to PINPOINT TEST W
C100A:28	Brake Pedal Angle Sensor: Signal Bias Level Out of Range/Zero Adjustment Failure	The brake pedal angle sensor is also known as the brake pedal travel sensor. This DTC indicates the brake pedal angle sensor does not reach the fully released position. This can be caused by damage or changes to the brake pedal and bracket assembly or an internal failure of the sensor. INSPECT the brake pedal and bracket assembly for any mechanical damage or foreign objects that may be restricting pedal movement. REPAIR as necessary. If the brake pedal and bracket are free of any mechanical damage or foreign objects, INSTALL a new brake pedal angle sensor. REFER to: BRAKE PEDAL TRAVEL SENSOR .
C100A:41	Brake Pedal Angle Sensor: General Checksum Failure	This DTC indicates that part of the ABS module has failed internally. CLEAR the DTC and REPEAT the self-test. If the DTC returns, INSTALL a new ABS module and HCU assembly. REFER to: Hydraulic Control Unit (HCU) .
C100A:62	Brake Pedal Angle Sensor: Signal Compare Failure	GO to PINPOINT TEST S
C100A:64	Brake Pedal Angle Sensor: Signal Plausibility Failure	The brake pedal angle sensor is also known as the brake pedal travel sensor. This DTC sets when the signal from the stoplamp switch and the brake pedal angle sensor do not match. If any U0100: xx or U0401: xx Diagnostic Trouble Codes (DTCs) are also present, DIAGNOSE those before diagnosing DTC C100A:64. If any U0100: xx or U0401: xx Diagnostic Trouble Codes (DTCs) are not present, INSTALL a new brake pedal angle sensor. REFER to: BRAKE PEDAL TRAVEL SENSOR .
C100D:21	Brake Pedal Angle Sensor Circuit 1: Signal Amplitude < Minimum	GO to PINPOINT TEST S
C100D:22	Brake Pedal Angle Sensor Circuit 1: Signal Amplitude > Maximum	GO to PINPOINT TEST S
C100D:38	Brake Pedal Angle Sensor Circuit 1: Signal Frequency Incorrect	GO to PINPOINT TEST S
C100E:21	Brake Pedal Angle Sensor Circuit 2: Signal Amplitude < Minimum	GO to PINPOINT TEST S
C100E:22	Brake Pedal Angle Sensor Circuit 2: Signal Amplitude > Maximum	GO to PINPOINT TEST S
C100E:38	Brake Pedal Angle Sensor Circuit 2: Signal Frequency Incorrect	GO to PINPOINT TEST S
C100F:11	Brake Pedal Angle Sensor Supply: Circuit Short To Ground	GO to PINPOINT TEST S
C100F:12	Brake Pedal Angle Sensor Supply: Circuit Short To Battery	GO to PINPOINT TEST S
C1013:00	Brake System Pressure: No Sub-Type Information	This DTC sets when the overall brake system pressure deviates from one or more wheel pressures or the front wheel pressures do not match each other. RETRIEVE all ABS Diagnostic Trouble Codes (DTCs). DIAGNOSE DTC C0044: xx, C1133: xx or C1134: xx before diagnosing C1013:00. If DTC C0044: xx, C1133: xx or C1134: xx is not present, INSPECT the brake stem for fluid leaks and the brake tubes and hoses for any damage. REPAIR as necessary.
C1014:07	Brake System Total Volume Balance: Mechanical Failure	This DTC sets as a result of a brake booster diaphragm travel sensor fault, a brake fluid pressure sensor fault or air trapped in the hydraulic brake system. DIAGNOSE all codes that indicate a brake booster diaphragm travel sensor fault or a hydraulic brake pressure sensor fault. If only DTC C1014:07 is present, CARRY OUT the Brake System Service Bleed. REFER to: BRAKE SYSTEM BLEEDING . CLEAR the DTC and REPEAT the self-test. If DTC C1014:07 returns, INSTALL a new brake booster. REFER to: BRAKE BOOSTER .
C1015:64	Vacuum Supply: Signal Plausibility Failure	GO to PINPOINT TEST X
C1015:7A	Vacuum Supply: Fluid Leak or Seal Failure	This DTC sets when the ABS module detects a vacuum leak. If other codes are present for the vacuum pump, vacuum pressure sensor or brake booster diaphragm travel sensor, DIAGNOSE them first. If only DTC C1015:7A is present, INSPECT the vacuum hoses, lines and fittings for vacuum leaks. REPAIR as necessary. CLEAR the DTC and REPEAT the self-test. If DTC C1015:7A returns, INSTALL a new brake booster. REFER to: BRAKE BOOSTER .
C1015:7B	Vacuum Supply: Low Fluid Level	This DTC sets when the ABS module detects a vacuum leak. If other codes are present for the vacuum pump, vacuum pressure sensor or brake booster diaphragm travel sensor, DIAGNOSE them first. If only DTC C1015:7B is present, INSPECT the vacuum hoses, lines and fittings for vacuum leaks. REPAIR as necessary. CLEAR the DTC and REPEAT the self-test. If DTC C1015:7B returns, INSTALL a new vacuum pump. REFER to: BRAKE VACUUM PUMP .
C1018:46	Regenerative Braking: Calibration/Parameter Memory Failure	GO to PINPOINT TEST Y
C101C:01	Brake Vacuum Pump: General Electrical Failure	GO to PINPOINT TEST T
C1020:00	Brake System Fill Not Complete: No Sub-Type Information	This DTC is pre-set in a new ABS module and HCU assembly and can only be cleared when the Brake System Service Bleed is successfully carried out and the Regenerative Brake System Calibration routine completes successfully. CARRY OUT the Brake System Service Bleed. REFER to: BRAKE SYSTEM BLEEDING . Then CARRY OUT the Regenerative Brake System Calibration routine. FOLLOW the diagnostic scan tool instructions.
C1021:21	ABS Booster Control Pressure: Signal Amplitude < Minimum	GO to PINPOINT TEST Z
C1021:22	ABS Booster Control Pressure: Signal Amplitude > Maximum	GO to PINPOINT TEST Z
C1025:21	Brake Primary Circuit Overboost Pressure: Signal Amplitude < Minimum	INSPECT the brake system for brake fluid leaks. REPAIR as necessary. If no leaks are found, CARRY OUT the Brake System Service Bleed. REFER to: BRAKE SYSTEM BLEEDING . CLEAR the DTC and REPEAT the self-test. If DTC C1025:21 returns, INSTALL a new ABS module and HCU assembly. REFER to: Hydraulic Control Unit (HCU) .
C1026:21	ABS Secondary Circuit Overboost Pressure: Signal Amplitude < Minimum	INSPECT the brake system for brake fluid leaks. REPAIR as necessary. If no leaks are found, CARRY OUT the Brake System Service Bleed. REFER to: BRAKE SYSTEM BLEEDING . CLEAR the DTC and REPEAT the self-test. If DTC C1026:21 returns, INSTALL a new ABS module and HCU assembly. REFER to: Hydraulic Control Unit (HCU) .
C1027:62	Master Cylinder (MC) to Primary Circuit Pressure: Signal Compare Failure	INSPECT the brake system for brake fluid leaks. REPAIR as necessary. If no leaks are found, CARRY OUT the Brake System Service Bleed. REFER to: BRAKE SYSTEM BLEEDING . CLEAR the DTC and REPEAT the self-test. If DTC C1027:62 returns, INSTALL a new ABS module and HCU assembly. REFER to: Hydraulic Control Unit (HCU) .
C1029:00	ABS Primary Circuit Lower Than Secondary: No Sub-Type Information	GO to PINPOINT TEST U
C102B:00	ABS Secondary Circuit Lower Than Primary: No Sub-Type Information	GO to PINPOINT TEST U
C1133:28	Left Front Brake Pressure Sensor: Signal Bias Level Out of Range/Zero Adjustment Failure	CLEAR the DTC and REPEAT the self-test. If DTC C1133:28 is returns, make sure all ABS module-to-HCU fasteners are tightened to their correct torque specifications. If all fasteners are tightened to their correct torque specifications, INSTALL a new ABS module and HCU assembly. REFER to: Hydraulic Control Unit (HCU) .
C1133:47	Left Front Brake Pressure Sensor: Watchdog/Safety Failure	CLEAR the DTC and REPEAT the self-test. If DTC C1133:47 is returns, make sure all ABS module-to-HCU fasteners are tightened to their correct torque specifications. If all fasteners are tightened to their correct torque specifications, INSTALL a new ABS module and HCU assembly. REFER to: Hydraulic Control Unit (HCU) .
C1133:49	Left Front Brake Pressure Sensor: Internal Electronic Failure	CLEAR the DTC and REPEAT the self-test. If DTC C1133:49 is returns, make sure all ABS module-to-HCU fasteners are tightened to their correct torque specifications. If all fasteners are tightened to their correct torque specifications, INSTALL a new ABS module and HCU assembly. REFER to: Hydraulic Control Unit (HCU) .
C1133:51	Left Front Brake Pressure Sensor: Not Programmed	CLEAR the DTC and REPEAT the self-test. If DTC C1133:51 is returns, make sure all ABS module-to-HCU fasteners are tightened to their correct torque specifications. If all fasteners are tightened to their correct torque specifications, INSTALL a new ABS module and HCU assembly. REFER to: Hydraulic Control Unit (HCU) .
C1133:64	Left Front Brake Pressure Sensor: Signal Plausibility Failure	CLEAR the DTC and REPEAT the self-test. If DTC C1133:64 is returns, make sure all ABS module-to-HCU fasteners are tightened to their correct torque specifications. If all fasteners are tightened to their correct torque specifications, INSTALL a new ABS module and HCU assembly. REFER to: Hydraulic Control Unit (HCU) .
C1133:8F	Left Front Brake Pressure Sensor: Erratic	CLEAR the DTC and REPEAT the self-test. If DTC C1133:8F is returns, make sure all ABS module-to-HCU fasteners are tightened to their correct torque specifications. If all fasteners are tightened to their correct torque specifications, INSTALL a new ABS module and HCU assembly. REFER to: Hydraulic Control Unit (HCU) .
C1134:28	Right Front Brake Pressure Sensor: Signal Bias Level Out of Range/Zero Adjustment Failure	CLEAR the DTC and REPEAT the self-test. If DTC C1134:28 is returns, make sure all ABS module-to-HCU fasteners are tightened to their correct torque specifications. If all fasteners are tightened to their correct torque specifications, INSTALL a new ABS module and HCU assembly. REFER to: Hydraulic Control Unit (HCU) .
C1134:47	Right Front Brake Pressure Sensor: Watchdog/Safety Failure	CLEAR the DTC and REPEAT the self-test. If DTC C1134:47 is returns, make sure all ABS module-to-HCU fasteners are tightened to their correct torque specifications. If all fasteners are tightened to their correct torque specifications, INSTALL a new ABS module and HCU assembly. REFER to: Hydraulic Control Unit (HCU) .
C1134:49	Right Front Brake Pressure Sensor: Internal Electronic Failure	CLEAR the DTC and REPEAT the self-test. If DTC C1134:49 is returns, make sure all ABS module-to-HCU fasteners are tightened to their correct torque specifications. If all fasteners are tightened to their correct torque specifications, INSTALL a new ABS module and HCU assembly. REFER to: Hydraulic Control Unit (HCU) .
C1134:51	Right Front Brake Pressure Sensor: Not Programmed	CLEAR the DTC and REPEAT the self-test. If DTC C1134:51 is returns, make sure all ABS module-to-HCU fasteners are tightened to their correct torque specifications. If all fasteners are tightened to their correct torque specifications, INSTALL a new ABS module and HCU assembly. REFER to: Hydraulic Control Unit (HCU) .
C1134:64	Right Front Brake Pressure Sensor: Signal Plausibility Failure	CLEAR the DTC and REPEAT the self-test. If DTC C1134:64 is returns, make sure all ABS module-to-HCU fasteners are tightened to their correct torque specifications. If all fasteners are tightened to their correct torque specifications, INSTALL a new ABS module and HCU assembly. REFER to: Hydraulic Control Unit (HCU) .
C1134:8F	Right Front Brake Pressure Sensor: Erratic	CLEAR the DTC and REPEAT the self-test. If DTC C1134:8F is returns, make sure all ABS module-to-HCU fasteners are tightened to their correct torque specifications. If all fasteners are tightened to their correct torque specifications, INSTALL a new ABS module and HCU assembly. REFER to: Hydraulic Control Unit (HCU) .
C1137:64	Reverse Gear Switch: Signal Plausibility Failure	This DTC sets when the transmission gear selection message sent from the TCM does not match other inputs received by the ABS module. RETRIEVE and REPAIR all non-network Diagnostic Trouble Codes (DTCs) in the TCM .
C1A08:1C	Pressure Sensor Supply: Circuit Voltage Out of Range	The brake system pressure sensor is supplied voltage by the ABS module. The ABS module monitors this output and sets this DTC when the voltage is out of range. DIAGNOSE DTC U3003:16 or U3003:17, before diagnosing C1A08:1C. If DTC U3003:16 or U3003:17 is not present, make sure all ABS module-to-HCU fasteners are tightened to their correct torque specifications. If all fasteners are tightened to their correct torque specifications, INSTALL a new ABS module and HCU assembly. REFER to: Hydraulic Control Unit (HCU) .
C1B14:11	Sensor Supply Voltage A: Circuit Short to Ground	GO to PINPOINT TEST Q
C1B14:12	Sensor Supply Voltage A: Circuit Short to Battery	GO to PINPOINT TEST Q
C1B15:1C	Sensor Supply Voltage B: Circuit Voltage Out of Range	GO to PINPOINT TEST Q
P0942:46	Hydraulic Pressure Unit: Calibration/Parameter Memory Failure	The ABS module and HCU are serviced as an assembly and should not be swapped between different vehicles. This DTC sets when the identification data stored in the ABS module does not match the identification data from the HCU . Using a diagnostic scan tool, CARRY OUT all 3 of the following routines in the order listed: Regenerative Brake System Calibration, Inlet Valve Calibration and Master Cylinder Isolation Calibration. CLEAR the DTC and REPEAT the self-test. If the DTC returns, INSTALL a new ABS module and HCU assembly. REFER to: Hydraulic Control Unit (HCU) .
P0942:49	Hydraulic Pressure Unit: Internal Electronic Failure	The ABS module and HCU are serviced as an assembly and should not be swapped between different vehicles. This DTC sets when the identification data stored in the ABS module does not match the identification data from the HCU . Using a diagnostic scan tool, CARRY OUT all 3 of the following routines in the order listed: Regenerative Brake System Calibration, Inlet Valve Calibration and Master Cylinder Isolation Calibration. CLEAR the DTC and REPEAT the self-test. If the DTC returns, INSTALL a new ABS module and HCU assembly. REFER to: Hydraulic Control Unit (HCU) .
P193B:86	Throttle/Pedal Signal: Signal Invalid	This DTC sets when the ABS module receives invalid network data from the PCM . RETRIEVE and REPAIR all non-network Diagnostic Trouble Codes (DTCs) in the PCM . REFER to: ELECTRIC POWERTRAIN CONTROL .
U0001:88	High Speed CAN Communication: Bus Off	The module could not communicate on the network at a point in time. The fault is not currently present since the module had to communicate with the diagnostic scan tool to report this DTC . VERIFY the integrity of the connectors and wiring. Refer to SYSTEM WIRING DIAGRAMS for additional information.
U0028:88	Vehicle Communication Bus A: Bus Off	GO to PINPOINT TEST G
U0100:00	Lost Communication With ECM/PCM A: No Sub Type Information	GO to PINPOINT TEST I
U0100:02	Lost Communication With ECM/PCM A: General Signal Failure	GO to PINPOINT TEST I
U0100:08	Lost Communication With ECM/PCM A: Bus Signal/Message Failure	GO to PINPOINT TEST I
U0100:31	Lost Communication With ECM/PCM A: No Signal	GO to PINPOINT TEST I
U0100:87	Lost Communication With ECM/PCM A: Missing Message	GO to PINPOINT TEST I
U0126:00	Lost Communication With Steering Angle Sensor Module: No Sub Type Information	GO to PINPOINT TEST K
U0140:00	Lost Communication With Body Control Module: No Sub Type Information	GO to PINPOINT TEST D
U0151:00	Lost Communication With Restraints Control Module: No Sub Type Information	GO to PINPOINT TEST G
U0300:51	Internal Control Module Software Incompatibility: Not Programmed	CHECK vehicle service history for recent service actions related to the ABS module. This DTC sets due to incomplete or improper flash programming procedures. If there have been recent service actions with the ABS module, REPEAT the programming procedure as directed by the diagnostic scan tool.
U0401:00	Invalid Data Received From ECM/PCM A: No Sub Type Information	This DTC sets when the ABS module receives invalid network data from the PCM . RETRIEVE and REPAIR all non-network Diagnostic Trouble Codes (DTCs) in the PCM . REFER to: ELECTRIC POWERTRAIN CONTROL .
U0401:28	Invalid Data Received From ECM/PCM A: Signal Bias Level Out of Range/Zero Adjustment Failure	This DTC sets when the ABS module receives invalid network data from the PCM . RETRIEVE and REPAIR all non-network Diagnostic Trouble Codes (DTCs) in the PCM . REFER to: ELECTRIC POWERTRAIN CONTROL .
U0401:29	Invalid Data Received From ECM/PCM A: Signal Invalid	This DTC sets when the ABS module receives invalid network data from the PCM . RETRIEVE and REPAIR all non-network Diagnostic Trouble Codes (DTCs) in the PCM . REFER to: ELECTRIC POWERTRAIN CONTROL .
U0401:64	Invalid Data Received From ECM/PCM A: Signal Plausibility Failure	This DTC sets when the ABS module receives invalid network data from the PCM . RETRIEVE and REPAIR all non-network Diagnostic Trouble Codes (DTCs) in the PCM . REFER to: ELECTRIC POWERTRAIN CONTROL .
U0401:81	Invalid Data Received From ECM/PCM A: Invalid Serial Data Received	This DTC sets when the ABS module receives invalid network data from the PCM . RETRIEVE and REPAIR all non-network Diagnostic Trouble Codes (DTCs) in the PCM . REFER to: ELECTRIC POWERTRAIN CONTROL .
U0401:86	Invalid Data Received From ECM/PCM A: Signal Invalid	This DTC sets when the ABS module receives invalid network data from the PCM . RETRIEVE and REPAIR all non-network Diagnostic Trouble Codes (DTCs) in the PCM . REFER to: ELECTRIC POWERTRAIN CONTROL .
U0422:00	Invalid Data Received From Body Control Module: No Sub Type Information	This DTC sets when the ABS module receives invalid network data from the BCM . RETRIEVE and REPAIR all non-network Diagnostic Trouble Codes (DTCs) in the BCM . REFER to: BODY CONTROL MODULE (BCM) .
U0428:41	Invalid Data Received From Steering Angle Sensor Module: General Checksum Failure	If DTC U0126:00 is also present, DIAGNOSE DTC U0126:00 first. This DTC sets when the ABS module receives invalid network data from the SASM . RETRIEVE and REPAIR all non-network Diagnostic Trouble Codes (DTCs) in the SASM . REFER to: ANTI-LOCK BRAKE SYSTEM (ABS) AND STABILITY CONTROL .
U0428:82	Invalid Data Received From Steering Angle Sensor Module: Alive/Sequence Counter Incorrect/Not Updated	If DTC U0126:00 is also present, DIAGNOSE DTC U0126:00 first. This DTC sets when the ABS module receives invalid network data from the SASM . RETRIEVE and REPAIR all non-network Diagnostic Trouble Codes (DTCs) in the SASM . REFER to: ANTI-LOCK BRAKE SYSTEM (ABS) AND STABILITY CONTROL .
U0452:41	Invalid Data Received From Restraints Control Module: General Checksum Failure	If DTC U0151:00 is also present, DIAGNOSE DTC U0151:00 first. This DTC sets when the ABS module receives invalid network data from the RCM . RETRIEVE and REPAIR all non-network Diagnostic Trouble Codes (DTCs) in the RCM . REFER to: AIRBAG SUPPLEMENTAL RESTRAINT SYSTEM (SRS) - VEHICLES BUILT FROM: 11-JUNE-2012 .
U0452:86	Invalid Data Received From Restraints Control Module: Signal Invalid	GO to PINPOINT TEST G
U2007:46	Valve(s): Calibration/Parameter Memory Failure	This DTC sets due to an internal failure of the ABS module or due to a calibration failure between the HCU and the ABS module. Using a diagnostic scan tool, CARRY OUT all 3 of the following routines in the order listed: Regenerative Brake System Calibration, Inlet Valve Calibration and Master Cylinder Isolation Calibration. CLEAR the DTC and REPEAT the self-test. If the DTC returns, INSTALL a new ABS module and HCU assembly. REFER to: Hydraulic Control Unit (HCU) .
U2007:62	Valve(s): Signal Compare Failure	This DTC sets due to an internal failure of the ABS module or due to a calibration failure between the HCU and the ABS module. CLEAR the DTC and REPEAT the self-test. If the DTC returns, INSTALL a new ABS module and HCU assembly. REFER to: Hydraulic Control Unit (HCU) .
U2024:51	Control Module Cal-Config Data: Not Programmed	This DTC is pre-set in a new ABS module and can only be cleared when the Regenerative Brake System Calibration Routine is successfully carried out. CHECK the service history for recent service actions related to the ABS module. This DTC sets due to incomplete or improper flash programming procedures. If there have been recent service actions with this module, REPEAT the programming procedure as directed by the diagnostic scan tool. REFER to: MODULE CONFIGURATION - SYSTEM OPERATION AND COMPONENT DESCRIPTION . If there have been no recent service actions, INSTALL a new ABS module and HCU assembly to correct the failure to retain the software data. REFER to: Hydraulic Control Unit (HCU) .
U2100:00	Initial Configuration Not Complete: No Sub Type Information	This DTC is pre-set in a new ABS module and clears automatically when the ABS module is configured correctly. CHECK the service history for recent service actions related to the ABS module. This DTC sets due to incomplete or improper Programmable Module Installation (PMI) procedures. If there have been recent service actions with this module, REPEAT the Programmable Module Installation (PMI) procedure using as-built data. If there have been no recent service actions, INSTALL a new ABS module and HCU assembly to correct the failure to retain the configuration data. REFER to: Hydraulic Control Unit (HCU) .
U2200:00	Control Module Configuration Memory Corrupt: No Sub Type Information	CHECK the service history for recent service actions related to the ABS module. This DTC sets due to incomplete or improper Programmable Module Installation (PMI) procedures. If there have been recent service actions with this module, REPEAT the Programmable Module Installation (PMI) procedure as directed by the diagnostic scan tool. If there have been no recent service actions, INSTALL a new ABS module and HCU assembly to correct the failure to retain configuration data. REFER to: Hydraulic Control Unit (HCU) .
U3000:49	Control Module: Internal Electronic Failure	CLEAR the Diagnostic Trouble Codes (DTCs). CARRY OUT the ABS module self-test. RETRIEVE and RECORD all Diagnostic Trouble Codes (DTCs). If the DTC returns INSTALL a new ABS module and HCU assembly. REFER to: Hydraulic Control Unit (HCU) .
U3000:57	Control Module: Invalid/Incompatible Software Component	CLEAR the Diagnostic Trouble Codes (DTCs). CARRY OUT the ABS module self-test. RETRIEVE and RECORD all Diagnostic Trouble Codes (DTCs). If the DTC returns INSTALL a new ABS module and HCU assembly. REFER to: Hydraulic Control Unit (HCU) .
U3002:62	Vehicle Identification Number: Signal Compare Failure	GO to Pinpoint Test V
U3003:08	Battery Voltage: Bus Signal/Message Failure	This DTC sets when the HS-CAN is shorted together, shorted to ground, shorted to voltage or open. If DTC U3003:16 is also present, DIAGNOSE DTC U3003:16 before diagnosing DTC U3003:08. If DTC U3003:16 is not present, REFER to: COMMUNICATIONS NETWORK .
U3003:16	Battery Voltage: Circuit Voltage Below Threshold	GO to PINPOINT TEST A
U3003:17	Battery Voltage: Circuit Voltage Above Threshold	GO to PINPOINT TEST F