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Home › Suzuki › 2012 › Grand Vitara Base › Repair and Diagnosis › Brakes › Traction Control › Electronic Stability Program › Diagnostic Information and Procedures › DTC C1038: Steering Angle Sensor Detect Rolling Counter Failure from ESP® Control Module › DTC Troubleshooting

DTC Troubleshooting

Step Action Yes No
1  Was "Electronic Stability Program Check" performed?  Go to Step 2. Go to ELECTRONIC STABILITY PROGRAM CHECK .
2  Check DTC 
  1. Connect scan tool to DLC with ignition switch turned OFF.
  2. Turn ignition switch ON and check DTC.

Is there any DTC(s) other than C1038 and C1090? 		 Go to applicable DTC diag. flow. Go to Step 3.
3  Check ESP® control module 
  1. Turn ignition switch to OFF position.
  2. Substitute a known-good steering angle sensor.
  3. Calibrate steering angle sensors. Refer to SENSOR CALIBRATION OF ESP® Components .
  4. Clear all DTC(s) and recheck DTC.

Is DTC C1038 still detected? 		 Substitute a known-good ESP® hydraulic unit/control module assembly and recheck. Steering angle sensor was malfunction.
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