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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 for ESP® 
  1. Connect scan tool to DLC with ignition switch turned OFF.
  2. Turn ignition switch ON and check DTC for ESP®.

Are DTC C1037, U0073 and/or U0126 detected? 		 Go to applicable DTC diag. flow. Go to Step 3.
3  Check sensor calibration 
  1. Calibrate steering angle sensor. See SENSOR CALIBRATION OF ESP® COMPONENTS .
  2. Clear all DTC(s) and check DTC for ESP®.

Is DTC C1024 still detected? 		 Go to Step 4. Steering angle sensor calibration was incompleted.
4  Check steering angle sensor 
  1. Check steering angle sensor. See STEERING ANGLE SENSOR ON-VEHICLE INSPECTION .

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