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DTC Troubleshooting

DIAGNOSIS PROCEDURE

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

Are DTC C1034 and/or C1073 detected? 		 Go to applicable DTC diag. flow. Go to Step 3.
3  Check sensor calibration 
  1. Calibrate yaw rate/G sensor assembly. See SENSOR CALIBRATION OF ESP® COMPONENTS .
  2. Clear all DTC(s) and recheck DTC.

Is DTC C1039 still detected? 		 Go to Step 4. Yaw rate/G sensor assembly calibration was incompleted.
4  Check yaw rate/G sensor assembly 
  1. Check yaw rate/G sensor assembly. See YAW RATE/G SENSOR ASSEMBLY ON-VEHICLE INSPECTION 

Is it good condition? 		 Substitute a known-good ESP® hydraulic unit/control module assembly and recheck. Replace yaw rate/G sensor assembly.
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