Diagnostic Trouble Code Chart

WARNING: This page is about a different car, the 2004 Lincoln Town Car. However, it is still accessible from the selected car via links, so may be relevant.

For air suspension module, driver door module and lighting control module, refer to SYSTEM WIRING DIAGRAMS for the appropriate schematic and connector information.

For driver seat module, refer to MEMORY SYSTEMS for schematic and connector information.

For navigation module, refer to NAVIGATION for schematic and connector information.

DIAGNOSTIC TROUBLE CODE (DTC) CHART

DTC	Description	Source	Action
B1201	Fuel Sender Circuit Failure	Instrument Cluster	REFER to INSTRUMENT CLUSTER .
B1204	Fuel Sender Circuit Short to Ground	Instrument Cluster	REFER to INSTRUMENT CLUSTER .
B1205	HEC Switch-1 Assembly Circuit Failure	Instrument Cluster	REFER to INSTRUMENT CLUSTER .
B1208	HEC Switch-1 Assembly Circuit Short to Ground	Instrument Cluster	REFER to INSTRUMENT CLUSTER .
B1231	Longitudinal Acceleration Threshold Exceeded	RCM	REFER to AIR BAG RESTRAINT SYSTEMS .
B1249	Blend Door Failure	EATC Module	REFER to CLIMATE CONTROL SYSTEM-GENERAL INFORMATION .
B1251	Climate Control Air Temperature Internal Sensor Circuit Open	EATC Module	REFER to CLIMATE CONTROL SYSTEM-GENERAL INFORMATION .
B1253	Climate Control Air Temperature Internal Sensor Short to Ground	EATC Module	REFER to CLIMATE CONTROL SYSTEM-GENERAL INFORMATION .
B1255	Climate Control Air Temperature External Sensor Circuit Short to Battery	EATC Module	REFER to CLIMATE CONTROL SYSTEM-GENERAL INFORMATION .
B1257	Climate Control Air Temperature External Sensor Circuit Short to Ground	EATC Module	REFER to CLIMATE CONTROL SYSTEM-GENERAL INFORMATION .
B1261	Climate Control Solar Radiation Sensor Circuit Short to Ground	EATC Module	REFER to CLIMATE CONTROL SYSTEM-GENERAL INFORMATION .
B1317	Battery Voltage High	Instrument Cluster	REFER to INSTRUMENT CLUSTER .
B1317	Battery Voltage Low	RCM	REFER to AIR BAG RESTRAINT SYSTEMS .
B1317	Battery Voltage High	RWAS	REFER to GENERATORS & REGULATORS .
B1318	Battery Voltage Low	Instrument Cluster	REFER to INSTRUMENT CLUSTER .
B1318	Battery Voltage Low	RCM	REFER to AIR BAG RESTRAINT SYSTEMS .
B1318	Battery Voltage Low	RWAS Module	REFER to GENERATORS & REGULATORS .
B1318	Low Ignition Voltage During Speed Control Operation	Speed Control Module	REFER to GENERATORS & REGULATORS .
B1322	Door Ajar LF Short to Ground	DDM	REFER to INTERIOR LIGHTING .
B1334	Decklid Ajar Rear Door Circuit Short to Ground	LCM	REFER to INTERIOR LIGHTING .
B1339	Chime Input Request Circuit Short to Battery	LCM	REFER to WARNING DEVICES .
B1342	ECU Is Defective	ABS Module	CLEAR the DTCs. REPEAT the self-test. If DTC B1342 is retrieved again, INSTALL a new ABS module. REFER to ANTI-LOCK CONTROL-TRACTION CONTROL . CLEAR the DTCs. REPEAT the self-test.
B1342	ECU Is Defective	ACM	CLEAR the DTCs. REPEAT the self-test. If DTC B1342 is retrieved again, INSTALL a new ACM. REFER to AUDIO UNIT . CLEAR the DTCs. REPEAT the self-test.
B1342	ECU Is Defective	Instrument Cluster	CLEAR the DTCs. REPEAT the self-test. If DTC B1342 is retrieved again, INSTALL a new instrument cluster. REFER to INSTRUMENT CLUSTER . CLEAR the DTCs. REPEAT the self-test.
B1342	ECU Is Defective	DDM	CLEAR the DTCs. REPEAT the self-test. If DTC B1342 is retrieved again, INSTALL a new DDM. REFER to MODULE-DRIVER DOOR (DDM) . CLEAR the DTCs. REPEAT the self-test.
B1342	ECU Is Defective	LCM	CLEAR the DTCs. REPEAT the self-test. If DTC B1342 is retrieved again, INSTALL a new LCM. REFER to MODULE-LIGHTING CONTROL (LCM) . CLEAR the DTCs. REPEAT the self-test.
B1342	ECU Is Defective	Luggage Compartment Lid Module	CLEAR the DTCs. REPEAT the self-test. If DTC B1342 is retrieved again, INSTALL a new luggage compartment lid module. REFER to HANDLES, LOCKS, LATCHES AND ENTRY SYSTEMS . CLEAR the DTCs. REPEAT the self-test.
B1342	ECU Is Defective	Overhead Console Module	CLEAR the DTCs. REPEAT the self-test. If DTC B1342 is retrieved again, INSTALL a new overhead console module. REFER to INFORMATION AND MESSAGE CENTER . CLEAR the DTCs. REPEAT the self-test.
B1342	ECU Is Defective	RCM	CLEAR the DTCs. REPEAT the self-test. If DTC B1342 is retrieved again, INSTALL a new RCM. REFER to AIR BAG RESTRAINT SYSTEMS . CLEAR the DTCs. REPEAT the self-test.
B1342	ECU Is Defective	RWAS Module	CLEAR the DTCs. REPEAT the self-test. If DTC B1342 is retrieved again, INSTALL a new RWAS module. REFER to REAR in Suspension . CLEAR the DTCs. REPEAT the self-test.
B1342 (Early Build Vehicles Only)	ECU Is Defective	PSE Module	CLEAR the DTCs. REPEAT the self-test. If DTC B1342 is retrieved again, INSTALL a new PSE module. REFER to NAVIGATION SYSTEM . CLEAR the DTCs. REPEAT the self-test.
B1342 (Late Build Vehicles Only)	ECU Is Defective	Navigation Module	CLEAR the DTCs. REPEAT the self-test. If DTC B1342 is retrieved again, INSTALL a new navigation module. REFER to NAVIGATION SYSTEM . CLEAR the DTCs. REPEAT the self-test.
B1342	ECU Is Defective	Speed Control Module	CLEAR the DTCs. REPEAT the self-test. If DTC B1342 is retrieved again, INSTALL a new speed control module. REFER to SPEED CONTROL . CLEAR the DTCs. REPEAT the self-test.
B1351	Key In Ignition Failure	LCM	REFER to WARNING DEVICES .
B1359	Ignition RUN/ACCESSORY Circuit Failure	LCM	REFER to STEERING COLUMN SWITCHES .
B1396	Power Door Lock Circuit Short to Battery	DDM	REFER to HANDLES, LOCKS, LATCHES AND ENTRY SYSTEMS .
B1397	Power Door Unlock Circuit Short to Battery	DDM	REFER to HANDLES, LOCKS, LATCHES AND ENTRY SYSTEMS .
B1449	Wiper PARK Sense Circuit Short to Ground	LCM	REFER to WIPERS AND WASHERS .
B1472	Headlamp Input Circuit Short to Battery	LCM	REFER to EXTERIOR LIGHTING .
B1484	Brake Pedal Input Open Circuit	ABS Module	REFER to ANTI-LOCK CONTROL-TRACTION CONTROL .
B1485	Brake Pedal Input Circuit Short to Battery	LCM	REFER to EXTERIOR LIGHTING .
B1520	Hood Switch Circuit Open	LCM	REFER to INTERIOR LIGHTING .
B1526	Keyless Entry Circuit Short to Ground	DDM	REFER to HANDLES, LOCKS, LATCHES AND ENTRY SYSTEMS .
B1529	Memory Set Switch Circuit Short to Battery	DDM	REFER to SEATING .
B1533	Memory Position No. 1 Switch Circuit Short to Battery	DDM	REFER to SEATING .
B1537	Memory Position No. 2 Switch Circuit Short to Battery	DDM	REFER to SEATING .
B1545	Seat Direction Switch Assembly Circuit Short to Battery	DDM	REFER to SEATING .
B1551	Latch/Decklid Release Circuit Failure	Luggage Compartment Lid Module	REFER to HANDLES, LOCKS, LATCHES AND ENTRY SYSTEMS .
B1553	Decklid Release Circuit Short to Battery	DDM	REFER to HANDLES, LOCKS, LATCHES AND ENTRY SYSTEMS .
B1555	RUN/START Input Circuit Failure	LCM	REFER to STEERING COLUMN SWITCHES .
B1566	RF, LR, RR Door Ajar Circuits Short to Ground	DDM	REFER to INTERIOR LIGHTING .
B1566	Door Ajar Circuit Short to Ground	RWAS Module	REFER to INTERIOR LIGHTING .
B1569	Headlamp High Beam Circuit Short to Battery	LCM	REFER to EXTERIOR LIGHTING .
B1578	Parking Lamp Input Short to Ground	LCM	REFER to EXTERIOR LIGHTING .
B1627 (Late Build Vehicles Only)	PRNDL Reverse Input Circuit Failure	Navigation Module	REFER to INSTRUMENT CLUSTER .
B1663	Driver Seat Front Up/Down Motor Stalled	DSM	REFER to SEATING .
B1664	Driver Seat Rear Up/Down Motor Stalled	DSM	REFER to SEATING .
B1665	Driver Seat Forward Backward Motor Stalled	DSM	REFER to SEATING .
B1666	Driver Seat Forward Backward Recline Motor Stalled	DSM	REFER to SEATING .
B1667	Mirror Driver Up/Down Motor Stalled	DSM	REFER to REAR VIEW MIRRORS .
B1668	Mirror Driver Right/Left Motor Stalled	DSM	REFER to REAR VIEW MIRRORS .
B1669	Mirror Passenger Up/Down Motor Stalled	DSM	REFER to REAR VIEW MIRRORS .
B1670	Mirror Passenger Right/Left Motor Stalled	DSM	REFER to REAR VIEW MIRRORS .
B1672	Battery Pack Voltage Out of Range	ABS Module	REFER to GENERATORS & REGULATORS .
B1676	Battery Voltage Out of Range	LCM	REFER to GENERATORS & REGULATORS .
B1676	Battery Voltage Out of Range	DSM	REFER to GENERATORS & REGULATORS .
B1688	Dome Lamp Input Short to Ground	LCM	REFER to INTERIOR LIGHTING .
B1696	Autolamp On Circuit Short to Ground	LCM	REFER to EXTERIOR LIGHTING .
B1869	Lamp Air Bag Warning Indicator Circuit Open	RCM	REFER to AIR BAG RESTRAINT SYSTEMS .
B1870	Lamp Air Bag Warning Indicator Circuit Short to Battery	RCM	REFER to AIR BAG RESTRAINT SYSTEMS .
B1884	PAD Warning Lamp Inoperative	RCM	REFER to AIR BAG RESTRAINT SYSTEMS .
B1890	PAD Warning Lamp Circuit Short to Battery	RCM	REFER to AIR BAG RESTRAINT SYSTEMS .
B1891	Air Bag Tone Warning Indicator Circuit Short to Battery	RCM	REFER to WARNING DEVICES .
B1892	Air Bag Tone Warning Indicator Circuit Failure	RCM	REFER to WARNING DEVICES .
B1921	Air Bag Diagnostic Monitor Ground Circuit Open	RCM	REFER to AIR BAG RESTRAINT SYSTEMS .
B1950	Seat Rear Up/Down Potentiometer Feedback Circuit Failure	DSM	REFER to SEATING .
B1953	Seat Rear Up/Down Potentiometer Feedback Circuit Short to Ground	DSM	REFER to SEATING .
B1954	Seat Front Up/Down Potentiometer Feedback Circuit Failure	DSM	REFER to SEATING .
B1957	Seat Front Up/Down Potentiometer Feedback Circuit Short to Ground	DSM	REFER to SEATING .
B1958	Seat Recline Forward/Backward Potentiometer Feedback Circuit Failure	DSM	REFER to SEATING .
B1961	Seat Recline Forward/Backward Potentiometer Feedback Circuit Short to Ground	DSM	REFER to SEATING .
B1962	Seat Horizontal Forward/Backward Potentiometer Feedback Circuit Failure	DSM	REFER to SEATING .
B1965	Seat Horizontal Forward/Backward Potentiometer Feedback Circuit Short to Ground	DSM	REFER to SEATING .
B1987	Pedal Forward/Rearward Motor Stalled	DSM	REFER to BRAKE SYSTEM-GENERAL INFORMATION .
B1988	Pedal Position Forward Switch Short to Battery	DSM	REFER to BRAKE SYSTEM-GENERAL INFORMATION .
B1989	Pedal Position Rearward Switch Circuit Short to Battery	DSM	REFER to BRAKE SYSTEM-GENERAL INFORMATION .
B1990	Pedal Forward/Rearward Potentiometer Feedback Circuit Failure	DSM	REFER to BRAKE SYSTEM-GENERAL INFORMATION .
B2100	Door Driver Key Cylinder Switch Failure	LCM	REFER to HANDLES, LOCKS, LATCHES AND ENTRY SYSTEMS .
B2103 (Late Build Vehicles Only)	Antenna Not Connected	Navigation Module	REFER to NAVIGATION SYSTEM .
B2108	Trunk Key Cylinder Switch Failure	LCM	REFER to HANDLES, LOCKS, LATCHES AND ENTRY SYSTEMS .
B2139 (Late Build Vehicles Only)	Data Mismatch	Navigation Module	REFER to NAVIGATION SYSTEM .
B2143	NVM Memory Failure	Instrument Cluster	REFER to INSTRUMENT CLUSTER .
B2148	PWM Dimming Circuit Failure	Overhead Console Module	REFER to INSTRUMENT CLUSTER AND PANEL ILLUMINATION .
B2204 (Late Build Vehicles Only)	GPS Antenna Connecton Open or Short	Navigation Module	REFER to NAVIGATION SYSTEM .
B2208 (Late Build Vehicles Only)	Navigation to Head Unit Communication Error	Navigation Module	REFER to NAVIGATION SYSTEM .
B2212	Panel Dimmer Out of Range	LCM	REFER to INSTRUMENT CLUSTER AND PANEL ILLUMINATION .
B2275	Pedal Forward/Rearward Potentiometer Feedback Circuit Short to Ground	DSM	REFER to BRAKE SYSTEM-GENERAL INFORMATION .
B2290	Occupant Classification System Fault	RCM	REFER to AIR BAG RESTRAINT SYSTEMS .
B2292	Restraint System-Safety Belt Pretensioner Status	RCM	REFER to AIR BAG RESTRAINT SYSTEMS .
B2293	Restraint System-Air Bag Status	RCM	REFER to AIR BAG RESTRAINT SYSTEMS .
B2295	Restraint System-Side Air Bag Status	RCM	REFER to AIR BAG RESTRAINT SYSTEMS .
B2296	Restraint System-Impact Sensor Status	RCM	REFER to AIR BAG RESTRAINT SYSTEMS .
B2312	Passenger Mirror Horizontal Potentiometer Feedback Failure	DSM	REFER to REAR VIEW MIRRORS .
B2315	Passenger Mirror Horizontal Potentiometer Feedback Short to Ground	DSM	REFER to REAR VIEW MIRRORS .
B2316	Passenger Mirror Vertical Potentiometer Feedback Circuit Failure	DSM	REFER to REAR VIEW MIRRORS .
B2319	Passenger Mirror Vertical Potentiometer Feedback Circuit Short to Ground	DSM	REFER to SEATING .
B2320	Driver Mirror Horizontal Potentiometer Feedback Circuit Failure	DSM	REFER to REAR VIEW MIRRORS .
B2323	Driver Mirror Horizontal Potentiometer Feedback Circuit Short to Ground	DSM	REFER to REAR VIEW MIRRORS .
B2324	Driver Mirror Vertical Potentiometer Feedback Circuit Failure	DSM	REFER to REAR VIEW MIRRORS .
B2327	Driver Mirror Vertical Potentiometer Feedback Circuit Short to Ground	DSM	REFER to REAR VIEW MIRRORS .
B2338	Mirror Driver Switch Assembly Circuit Short to Battery	DDM	REFER to REAR VIEW MIRRORS .
B2373	Memory LED Output Short to Battery	DDM	REFER to SEATING .
B2401	Audio Tape Deck Mechanism Fault	ACM	REFER to ENTERTAINMENT SYSTEM - GENERAL INFORMATION .
B2403	Audio CD/DJ Internal Fault	ACM	REFER to ENTERTAINMENT SYSTEM - GENERAL INFORMATION .
B2403 (Late Build Vehicles Only)	Audio CD/DJ Internal Fault	Navigation Module	REFER to ENTERTAINMENT SYSTEM - GENERAL INFORMATION .
B2404 (Late Build Vehicles Only)	Audio Steering Wheel Switch Circuit Fault	Navigation Module	REFER to ENTERTAINMENT SYSTEM - GENERAL INFORMATION .
B2405	Audio Single-Disc CD Player Thermal Shutdown Fault	ACM	REFER to ENTERTAINMENT SYSTEM - GENERAL INFORMATION .
B2406	Audio Single-Disc CD Player Internal Fault	ACM	REFER to ENTERTAINMENT SYSTEM - GENERAL INFORMATION .
B2416	Climate Control Recirculation Actuator Out of Limits	EATC Module	REFER to CLIMATE CONTROL SYSTEM-GENERAL INFORMATION .
B2418	Sensor Power Short to Ground	Luggage Compartment Lid Module	REFER to HANDLES, LOCKS, LATCHES AND ENTRY SYSTEMS .
B2419	Sensor 1 Invalid	Luggage Compartment Lid Module	REFER to HANDLES, LOCKS, LATCHES AND ENTRY SYSTEMS .
B2420	Sensor 2 Invalid	Luggage Compartment Lid Module	REFER to HANDLES, LOCKS, LATCHES AND ENTRY SYSTEMS .
B2421	Vehicle Speed Sensor Circuit Failure	Luggage Compartment Lid Module	REFER to HANDLES, LOCKS, LATCHES AND ENTRY SYSTEMS .
B2425	RKE Out of Sync	DDM	REFER to HANDLES, LOCKS, LATCHES AND ENTRY SYSTEMS .
B2432	Driver Safety Belt Buckle Switch Circuit Open	RCM	REFER to AIR BAG RESTRAINT SYSTEMS .
B2433	Driver Safety Belt Buckle Switch Circuit Short to Battery	RCM	REFER to AIR BAG RESTRAINT SYSTEMS .
B2434	Driver Safety Belt Buckle Switch Circuit Short to Ground	RCM	REFER to AIR BAG RESTRAINT SYSTEMS .
B2435	Driver Safety Belt Buckle Switch Resistance Out of Range	RCM	REFER to AIR BAG RESTRAINT SYSTEMS .
B2436	Passenger Safety Belt Buckle Switch Circuit Open	RCM	REFER to AIR BAG RESTRAINT SYSTEMS .
B2437	Passenger Safety Belt Buckle Switch Circuit Short to Battery	RCM	REFER to AIR BAG RESTRAINT SYSTEMS .
B2438	Passenger Safety Belt Buckle Switch Circuit Short to Ground	RCM	REFER to AIR BAG RESTRAINT SYSTEMS .
B2439	Passenger Safety Belt Buckle Switch Resistance Out of Range	RCM	REFER to AIR BAG RESTRAINT SYSTEMS .
B2442	Intrusion Sensor Fault	LCM	REFER to ANTI-THEFT - PERIMETER .
B2477	Module Configuration Failure	ACM	REFER to MODULE CONFIGURATION .
B2477	Module Configuration Failure	RCM	REFER to MODULE CONFIGURATION .
B2477 (Late Build Vehicles Only)	Module Configuration Failure	Navigation Module	REFER to MODULE CONFIGURATION .
B2552	Vbatt 2 Open	Luggage Compartment Lid Module	REFER to HANDLES, LOCKS, LATCHES AND ENTRY SYSTEMS .
B2633 (Late Build Vehicles Only)	Driver-Front Microphone Circuit Failure	Navigation Module	REFER to NAVIGATION SYSTEM .
B2703	Open/Close Switch Input Stuck Active	Luggage Compartment Lid Module	REFER to HANDLES, LOCKS, LATCHES AND ENTRY SYSTEMS .
B2718	Deck Lid Ajar Output Short to Battery	Luggage Compartment Lid Module	REFER to HANDLES, LOCKS, LATCHES AND ENTRY SYSTEMS .
B2721	Deck Lid Ajar Output Circuit Failure	Luggage Compartment Lid Module	REFER to HANDLES, LOCKS, LATCHES AND ENTRY SYSTEMS .
B2748	Left Drive Motor Open Circuit	Luggage Compartment Lid Module	REFER to HANDLES, LOCKS, LATCHES AND ENTRY SYSTEMS .
B2755	Left Drive Short to Battery	Luggage Compartment Lid Module	REFER to HANDLES, LOCKS, LATCHES AND ENTRY SYSTEMS .
B2757	Left Drive Output Short to Ground	Luggage Compartment Lid Module	REFER to HANDLES, LOCKS, LATCHES AND ENTRY SYSTEMS .
B2847	Intrusion Sensor Power Short to Ground	LCM	REFER to ANTI-THEFT - PERIMETER .
B2858 (Late Build Vehicles Only)	Head Unit Is Defective	Navigation Module	REFER to NAVIGATION SYSTEM .
B2876	Striker Drive Short to Battery	Luggage Compartment Lid Module	REFER to HANDLES, LOCKS, LATCHES AND ENTRY SYSTEMS .
B2877	Striker Drive Output Short to Ground	Luggage Compartment Lid Module	REFER to HANDLES, LOCKS, LATCHES AND ENTRY SYSTEMS .
B2878 (Late Build Vehicles Only)	OHC Button Stuck Failure	Overhead Console Module	REFER to INFORMATION AND MESSAGE CENTER .
B2913 (Late Build Vehicles Only)	Audio Sub-Woofer Not Connected	Navigation Module	REFER to ENTERTAINMENT SYSTEM - GENERAL INFORMATION .
B5131	Clutch Circuit Failure	Luggage Compartment Lid Module	REFER to HANDLES, LOCKS, LATCHES AND ENTRY SYSTEMS .
C1109	Throttle Did Not Return to Idle After Self-Test	Speed Control Module	REFER to SPEED CONTROL .
C1123	Vehicle Speed Circuit Fault	Overhead Console Module	REFER to INFORMATION AND MESSAGE CENTER .
C1126	Command Switch Stuck For Two Minutes or Longer	Speed Control Module	REFER to SPEED CONTROL .
C1127	Deactivator Switch Stuck Open	Speed Control Module	REFER to SPEED CONTROL .
C1145	Wheel Speed Sensor RF Input Circuit Failure	ABS Module	REFER to ANTI-LOCK CONTROL-TRACTION CONTROL .
C1155	Wheel Speed Sensor LF Input Circuit Failure	ABS Module	REFER to ANTI-LOCK CONTROL-TRACTION CONTROL .
C1165	Wheel Speed Sensor RR Input Circuit Failure	ABS Module	REFER to ANTI-LOCK CONTROL-TRACTION CONTROL .
C1175	Wheel Speed Sensor LR Input Circuit Failure	ABS Module	REFER to ANTI-LOCK CONTROL-TRACTION CONTROL .
C1179	Excessive Cable Slack in Speed Control Cable	Speed Control Module	REFER to SPEED CONTROL .
C1192 (Late Build Vehicles Only)	Vehicle Speed Circuit Failure	Navigation Module	REFER to NAVIGATION SYSTEM .
C1222	Speed Wheel Mismatch	ABS Module	REFER to ANTI-LOCK CONTROL-TRACTION CONTROL .
C1266	ABS Valve Power Relay Circuit Failure	ABS Module	REFER to ANTI-LOCK CONTROL-TRACTION CONTROL .
C1278	Steering Angle Sensor Signal Fault	ABS Module	REFER to ANTI-LOCK CONTROL-TRACTION CONTROL .
C1279	Yaw Rate Sensor and Lateral Acceleration Circuit Fault	ABS Module	REFER to ANTI-LOCK CONTROL-TRACTION CONTROL .
C1280	Yaw Rate Sensor Signal Failure	ABS Module	REFER to ANTI-LOCK CONTROL-TRACTION CONTROL .
C1282	Lateral Accelerometer Signal Fault	ABS Module	REFER to ANTI-LOCK CONTROL-TRACTION CONTROL .
C1288	Pressure Transducer Main/Primary Input Circuit Failure	ABS Module	REFER to ANTI-LOCK CONTROL-TRACTION CONTROL .
C1296	Wheel Speed LF Signal Fault	ABS Module	REFER to ANTI-LOCK CONTROL-TRACTION CONTROL .
C1297	Wheel Speed RF Signal Fault	ABS Module	REFER to ANTI-LOCK CONTROL-TRACTION CONTROL .
C1298	Wheel Speed RR Signal Fault	ABS Module	REFER to ANTI-LOCK CONTROL-TRACTION CONTROL .
C1299	Wheel Speed LR Signal Fault	ABS Module	REFER to ANTI-LOCK CONTROL-TRACTION CONTROL .
C1300	ABS Pump Motor Circuit Failure	ABS Module	REFER to ANTI-LOCK CONTROL-TRACTION CONTROL .
C1414	Incorrect Vehicle ID	RCM	REFER to AIR BAG RESTRAINT SYSTEMS .
C1440	Pressure Transducer Main/Primary Signal Faulted	ABS Module	REFER to ANTI-LOCK CONTROL-TRACTION CONTROL .
C1445	Vehicle Speed Signal Circuit Failure	RWAS Module	REFER to REAR in Suspension .
C1724	Air Suspension Height Sensor Power Circuit Failure	RWAS Module	REFER to REAR in Suspension .
C1760	Air Suspension Rear Height Sensor High (SE) Signal Circuit Failure	RWAS Module	REFER to REAR in Suspension .
C1770	Air Suspension Vent Solenoid Output Circuit Failure	RWAS Module	REFER to REAR in Suspension .
C1790	Air Suspension LR Air Spring/Shock Solenoid Output Circuit Failure	RWAS Module	REFER to REAR in Suspension .
C1795	Air Suspension RR Air Spring/Shock Solenoid Output Circuit Failure	RWAS Module	REFER to REAR in Suspension .
C1805	Mismatched PCM and/or ABS/TC Module	ABS Module	REFER to ANTI-LOCK CONTROL-TRACTION CONTROL .
C1830	Air Suspension Compressor Relay Circuit Failure	RWAS Module	REFER to REAR in Suspension .
C1840	Air Suspension Disable Switch Circuit Failure	RWAS Module	REFER to REAR in Suspension .
C1873	Turn Signal/Hazard Power Feed Short to Ground	LCM	REFER to EXTERIOR LIGHTING .
C1897	Steering VAPS II Circuit Loop Failure	RWAS Module	REFER to ENGINE SYSTEM-GENERAL INFORMATION .
C1920	Memory LED Circuit Failure	DDM	REFER to SEATING .
C1946	Seat Track Position Switch Circuit Open	RCM	REFER to SEATING .
C1947	Seat Track Position Switch Circuit Short to Ground	RCM	REFER to SEATING .
C1948	Seat Track Position Switch Circuit Resistance Out of Range	RCM	REFER to SEATING .
C1956	Steering Angle Sensor Circuit Failure	ABS Module	REFER to ANTI-LOCK CONTROL-TRACTION CONTROL .
C1964	Air Suspension Air Compressor Request Exceeded Max Timing	RWAS Module	REFER to REAR in Suspension .
C1975	IVD Plausibility Failure	ABS Module	REFER to ANTI-LOCK CONTROL-TRACTION CONTROL .
C1982	Seat Track Position Switch Circuit Short to Battery	RCM	REFER to SEATING .
C1991	Module Calibration Failure	ABS Module	REFER to MODULE CONFIGURATION .
U1009	SCP (J1850) Invalid or Missing Data for Engine Torque	ABS Module	REFER to INTRODUCTION - CNG, FLEX-FUEL & GASOLINE .
U1016 (Late Build Vehicles Only)	SCP Invalid Data (PCM)	Navigation Module	REFER to NAVIGATION SYSTEM .
U1026	SCP (J1850) Invalid or Missing Data for Engine RPM	RWAS Module	REFER to INTRODUCTION - CNG, FLEX-FUEL & GASOLINE .
U1027	Missing or Invalid Throttle Message	Speed Control Module	REFER to SPEED CONTROL .
U1041	SCP (J1850) Invalid or Missing Data for Vehicle Speed	EATC Module	REFER to INTRODUCTION - CNG, FLEX-FUEL & GASOLINE .
U1041	SCP (J1850) Invalid or Missing Data for Vehicle Speed	Speed Control Module	REFER to SPEED CONTROL .
U1041	SCP (J1850) Invalid or Missing Data for Vehicle Speed	RWAS Module	REFER to REAR in Suspension .
U1051	Missing or Invalid Brake Message	Speed Control Module	REFER to ANTI-LOCK CONTROL-TRACTION CONTROL .
U1059	SCP (J1850) Invalid or Missing Data For Transmission/Transaxle PRNDL	ABS Module	REFER to INSTRUMENT CLUSTER .
U1059	SCP (J1850) Invalid or Missing Data For Transmission/Transaxle PRNDL	Speed Control Module	REFER to, INSTRUMENT CLUSTER .
U1073	SCP (J1850) Invalid or Missing Data for Engine Coolant	EATC Module	REFER to INSTRUMENT CLUSTER .
U1262	SCP (J1850) Communication Bus Fault	ABS Module	REFER to MODULE COMMUNICATIONS NETWORK .
U1262	Missing Message Network Faults	Overhead Console Module	REFER to MODULE COMMUNICATIONS NETWORK .
U1199	SCP (J1850) Invalid or Missing Data for External Access (Doors)	RWAS Module	Refer to INTERIOR LIGHTING .
U1900	CAN Communication Bus Failure	ABS Module	REFER to MODULE COMMUNICATIONS NETWORK .
U2003	Audio Compact Disc/Disk Jockey Is Not Responding	ACM	REFER to ENTERTAINMENT SYSTEM - GENERAL INFORMATION .
U2003 (Late Build Vehicles Only)	Audio Compact Disc/Disk Jockey Is Not Responding	Navigation Module	REFER to ENTERTAINMENT SYSTEM - GENERAL INFORMATION .
U2005	Audio Rear Integrated Control Panel Unit Is Not Responding	ACM	REFER to ENTERTAINMENT SYSTEM - GENERAL INFORMATION .
U2005 (Late Build Vehicles Only)	Audio Rear Integrated Control Panel Unit Is Not Responding	Navigation Module	REFER to ENTERTAINMENT SYSTEM - GENERAL INFORMATION .
U2008	Audio Phone (TCU) Is Not Responding	ACM	REFER to NAVIGATION SYSTEM .
U2024	Audio Redundant Steering Wheel Control Is Not Responding	ACM	REFER to AUDIO UNIT .
U2026 (Late Build Vehicles Only)	Family Entertainment System Not Responding	Navigation Module	REFER to ENTERTAINMENT SYSTEM - GENERAL INFORMATION .