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Diagnostic Trouble Code Chart

If a trouble code is displayed during the DTC check, check the trouble areas listed for that code in the table below and proceed to the appropriate article.

DYNAMIC RADAR CRUISE CONTROL SYSTEM

DTC Code Detection Item Trouble Area See
P0500 Vehicle Speed Sensor Malfunction - Vehicle speed sensors
- Vehicle speed sensor signal circuit
- Combination meter assembly
- ECM
Refer to DTC P0500: Vehicle Speed Sensor Malfunction
P0503 Vehicle Speed Sensor "A" Intermittent / Erratic / High - Vehicle speed sensors
- Vehicle speed sensor signal circuit
- Combination meter assembly
- ECM
Refer to DTC P0503: Vehicle Speed Sensor "A" Intermittent / Erratic / High
P0571 Brake Switch "A" Circuit - Stop light switch
- Stop light switch circuit
- ECM
- Stop light control relay
- Stop light control
relay circuit
- Brake actuator assembly (Skid control ECU)
Refer to DTC P0571: Brake Switch "A" Circuit
P0575 Cruise Control Input Circuit - ECM Refer to DTC P0575: Cruise Control Input Circuit
P1570 Radar Sensor Malfunction - Millimeter wave radar sensor Refer to DTC P1570: Radar Sensor Malfunction
P1572 Improper Aiming of Radar Sensor Beam Axis - Millimeter wave radar sensor Refer to DTC P1572: Improper Aiming of Radar Sensor Beam Axis
P1575 Warning Buzzer Malfunction - Skid control buzzer
- Skid control buzzer circuit
- Brake actuator assembly (Skid control ECU)
- ECM
Refer to DTC P1575: Warning Buzzer Malfunction
P1578 Brake System Malfunction - VSC system
- ECM
Refer to DTC P1578: Brake System Malfunction
P1615 Communication Error from Distance Control ECU to ECM - Driving support ECU
- ECM
Refer to DTC P1615: Communication Error from Distance Control ECU to ECM
P1616 Communication Error from ECM to Distance Control ECU - ECM
- Driving support ECU
Refer to DTC P1616: Communication Error from ECM to Distance Control ECU
P1617 Distance Control ECU Malfunction - Driving support ECU
- ECM
Refer to DTC P1617: Distance Control ECU Malfunction
P1630 Communication Error from VSC to ECM - Communication circuit
- Brake actuator assembly (Skid
control ECU)
- ECM
Refer to DTC P1630: Communication Error from VSC to ECM
P1631 Communication Error from ECM to VSC - Communication circuit
- ECM
- Brake actuator
assembly (Skid control ECU)
Refer to DTC P1631: Communication Error from ECM to VSC
U0100 Lost Communication with ECM / PCM "A" - Communication circuit
- ECM
- Driving support
ECU
- Brake actuator assembly (Skid control ECU)
Refer to DTC U0100: Lost Communication with ECM / PCM "A"; DTC U0122: Lost Communication with Vehicle Dynamics Control Module; DTC U0123: Lost Communication with Yaw Rate Sensor Module; DTC U0126: Lost Communication with Steering Angle Sensor Module; DTC U1104: Lost Communication with Driving Support ECU
U0122 Lost Communication with Vehicle Dynamics Control Module - Communication circuit
- Brake actuator assembly (Skid
control ECU)
- ECM
Refer to DTC U0100: Lost Communication with ECM / PCM "A"; DTC U0122: Lost Communication with Vehicle Dynamics Control Module; DTC U0123: Lost Communication with Yaw Rate Sensor Module; DTC U0126: Lost Communication with Steering Angle Sensor Module; DTC U1104: Lost Communication with Driving Support ECU
U0123 Lost Communication with Yaw Rate Sensor Module - Communication circuit
- Yaw rate and acceleration sensor
- Driving support ECU
- ECM
Refer to DTC U0100: Lost Communication with ECM / PCM "A"; DTC U0122: Lost Communication with Vehicle Dynamics Control Module; DTC U0123: Lost Communication with Yaw Rate Sensor Module; DTC U0126: Lost Communication with Steering Angle Sensor Module; DTC U1104: Lost Communication with Driving Support ECU
U0126 Lost Communication with Steering Angle Sensor Module - Communication circuit
- Steering angle sensor
- Driving support ECU
- ECM
Refer to DTC U0100: Lost Communication with ECM / PCM "A"; DTC U0122: Lost Communication with Vehicle Dynamics Control Module; DTC U0123: Lost Communication with Yaw Rate Sensor Module; DTC U0126: Lost Communication with Steering Angle Sensor Module; DTC U1104: Lost Communication with Driving Support ECU
U0235 Lost Communication with Cruise Control Front Distance Range Sensor - Communication circuit
- Millimeter wave radar sensor
- Driving support ECU
Refer to DTC U0235: Lost Communication with Cruise Control Front Distance Range Sensor
U1102 Lost Communication with Radar Sensor - Communication circuit
- Millimeter wave radar sensor
- Driving support ECU
Refer to DTC U1102: Lost Communication with Radar Sensor
U1104 Lost Communication with Driving Support ECU - Driving support ECU
- Communication circuit
- Millimeter wave radar sensor
- ECM
- Brake actuator
assembly (Skid control ECU)
Refer to DTC U0100: Lost Communication with ECM / PCM "A"; DTC U0122: Lost Communication with Vehicle Dynamics Control Module; DTC U0123: Lost Communication with Yaw Rate Sensor Module; DTC U0126: Lost Communication with Steering Angle Sensor Module; DTC U1104: Lost Communication with Driving Support ECU