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Electronic Stability Program DTCS

ELECTRONIC STABILITY PROGRAM DIAGNOSTIC TROUBLE CODE (DTC) LIST

DTC Diagnostic Items Detecting condition (DTC will be set when detecting)
C1016 Brake light switch
  • Master cylinder pressure value and brake light switch signal is disagreed for specified time.
  • Brake light switch signal voltage becomes wrong value for specified time.
C1017 Lateral G sensor
  • Lateral G sensor signal is out of specified range.
  • Vehicle behavior and lateral G sensor signal is disagreed.
C1020 Master cylinder pressure sensor power supply failure Power supply voltage to master cylinder pressure sensor is too high or low in ESP® hydraulic unit / control module assembly.
C1021 RF Wheel speed sensor circuit Wheel speed sensor circuit is opened, shorted to power, ground and/or each other circuit.
C1025 LF
C1031 RR
C1035 LR
C1022 RF Wheel speed sensor or encoder
  • Wheel speed is different from other wheel speed (vehicle speed) for more than specified time.
  • Abnormal wheel speed sensor signal is detected for more than specified time.
C1026 LF
C1032 RR
C1036 LR
C1023 Yaw rate sensor
  • Yaw rate sensor signal is out of range.
  • Vehicle behavior and yaw rate signal is disagreed.
C1024 Steering angle sensor
  • Steering angle sensor internal defect is detected.
  • Steering angle sensor signal is out of specified range.
  • Vehicle behavior and steering angle sensor signal is disagreed.
C1027 ESP® OFF switch
  • ESP® OFF switch keeps ON for specified time.
  • ESP® OFF switch circuit is shorted to ground.
C1028 Master cylinder pressure sensor circuit
  • Master cylinder pressure sensor circuit is opened, shorted to power or ground circuit in ESP® control module.
  • Master cylinder pressure sensor signal is out of specified range in ESP® control module.
C1033 Wheel speed sensor deviation
  • Two or more wheel speed sensor signals seem to be effected by temporary failure suspicion at the same time.
  • Three or more wheel speed sensor signals seem to be effected by temporary failure suspicion at the same time.
  • Two wheels or more are controlled by ABS for more than specified time.
C1034 Yaw rate / G sensor assembly power supply failure Power supply voltage to yaw rate / G sensor assembly is too high or low.
C1037 Steering angle sensor power supply failure Power supply voltage to steering angle sensor is too low.
C1038 Steering angle sensor detect rolling counter ESP® control module rolling counter failure is detected by steering angle sensor.
C1039 Yaw rate / G sensor assembly internal failure
  • Yaw rate / G sensor assembly internal failure is detected.
  • Abnormal signal from yaw rate / G sensor assembly is detected.
C1040 ESP® continuous operation
  • ESP® control is active for more than specified time.
  • ESP® control module requested pressure reduction or keeping all wheel speed sensor for more than specified time.
C1041 RF Inlet solenoid
  • Solenoid valve circuit is opened, shorted to power, ground and/or each valve in ESP® hydraulic unit / control module assembly.
  • Mismatching solenoid output and solenoid monitor is detected.
C1045 LF
C1051 RR
C1055 LR
C1042 RF Outlet solenoid
C1046 LF
C1052 RR
C1056 LR
C1043 Cut solenoid No.1
C1044 No.2
C1053 Suction solenoid No.1
C1054 No.2
C1057 Power supply voltage too high / too low ESP® control module power supply voltage becomes 7.6 - 9.6 V.
  • ESP® control module power supply voltage is lower than 7.6 V.
  • ESP® control module power supply voltage is upper than 16.8 V.
C1061 Pump motor circuit
  • Defective pump motor and/or motor power supply voltage is too low.
  • Pump motor circuit in ESP® control module is opened, shorted to power or ground circuit.
C1063 Solenoid valve power supply driver circuit
  • Solenoid valve power supply driver circuit is shorted to power circuit in ESP® control module.
  • Solenoid valve power supply driver is stuck to ON position.
  • Output circuit from control unit is opened in ESP® control module.
  • Solenoid valve power supply driver circuit is opened, shorted to ground circuit in ESP® control module.
  • Solenoid valve power supply voltage is too low.
  • Solenoid valve power supply driver is stuck to OFF position.
  • Output circuit from control unit is shorted in ESP® control module.
  • Mismatching solenoid output and solenoid monitor is detected.
C1071 Control module internal defect ESP® control module internal defect is detected.
C1075 Steering angle sensor calibration Missing steering angle sensor calibration point data is detected.
C1091 CAN invalid data from ECM ECM sent invalid signal to ESP® control module.
C1096 Yaw rate / G sensor assembly message counter error Yaw rate / G sensor assembly message counter error is detected by ESP® control module.
U0073 Control module communication bus off
  • Communication is not available with all control modules connected by CAN.
  • CAN communication line is shorted to power, ground and/or each other circuit.
U0100 Lost communication with ECM/PCM ECM message data is missing from CAN communication.
U0101 Lost communication with TCM TCM message data is missing from CAN communication.
U0114 Lost communication with four-wheel drive clutch control module 4WD control module message data is missing from CAN communication.
U0123 Lost communication with yaw rate sensor module Yaw rate / G sensor assembly message data is missing from CAN communication.
U0126 Lost communication with steering angle sensor module Steering angle sensor message data is missing from CAN communication.
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