Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
2012 Suzuki Grand Vitara BaseFACTORY OEM SERVICE PROCEDURE
Electronic Stability Program DTCS
ELECTRONIC STABILITY PROGRAM DIAGNOSTIC TROUBLE CODES (DTC) LIST
| DTC | Description |
|---|---|
| DTC C1015/C1017/C1023 | Longitudinal G Sensor/Lateral G Sensor/Yaw Rate Sensor in Yaw Rate/G Sensor Assembly Failure |
| DTC C1016 | Brake Light Switch Circuit Failure |
| DTC C1018 | Brake Fluid Level Switch Failure |
| DTC C1020 | Master Cylinder Pressure Sensor Power Supply Failure |
| DTC C1021, C1022/C1025, C1026/C1031, C1032/C1035, C1036 | Right-Front/Left-Front/Right-Rear/Left-Rear Wheel Speed Sensor Circuit or Encoder Failure |
| DTC C1024 | Steering Angle Sensor Circuit Failure |
| DTC C1027 | ESP® OFF Switch Circuit Failure |
| DTC C1028 | Master Cylinder Pressure Sensor Circuit Failure |
| DTC C1034 | Yaw Rate/G Sensor Assembly Power Supply Failure |
| DTC C1037 | Steering Angle Sensor Power Supply Failure |
| DTC C1038 | Steering Angle Sensor Detect Rolling Counter Failure from ESP® Control Module |
| DTC C1039 | Yaw Rate/G Sensor Assembly Internal Failure |
| DTC C1040 | Stability Control System Function Failure |
| DTC C1041/C1042/C1043/C1044/C1045/C1046/C1051/C1052/C1053/C1054/C1055/C1056 | Inlet Solenoid Circuit Failure, Outlet Solenoid Circuit Failure, Master Cylinder Cut Solenoid Circuit Failure, Low Pressure Solenoid Circuit Failure |
| DTC C1057 | ESP® (ABS) Control Module Power Supply Circuit Failure |
| DTC C1061 | Pump Motor and/or Motor Driver Circuit Failure |
| DTC C1063 | Solenoid Valve Power Supply Driver Circuit Failure |
| DTC C1065 | Brake Light Relay Circuit Failure |
| DTC C1071 | ESP® (ABS) Control Module Internal Defect |
| DTC C1073 | Lost Communication with Yaw Rate/G Sensor Assembly |
| DTC C1075/C1076/C1077/C1078 | Steering Angle Sensor/Master Cylinder Pressure Sensor/Longitudinal G Sensor/Lateral G Sensor in Yaw Rate/G Sensor Assembly Calibration Incomplete |
| DTC C1079 | Steering Angle Sensor Calibration Failure |
| DTC C1090 | ECM Detect Rolling Counter Failure from ESP® Control Module |
| DTC C1091/C1092/C1093 | ECM/TCM/4WD Control Module Data in CAN Line Failure |
| DTC C1094 | Torque Request Reject Status |
| DTC U0073 | Control Module Communication Bus Off |
| DTC U0100 | Lost Communication with ECM (Reception Error) |
| DTC U0101 | Lost Communication with TCM (Reception Error) |
| DTC U0114 | Lost Communication with 4WD Control Module (Reception Error) |
| DTC U0126 | Lost Communication with Steering Angle Sensor (Reception Error) |
| DTC U0140 | Lost Communication with BCM (Reception Error) |
Factory Service Tools
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.