Circuit/System Verification

Symptom Byte: 43, 45, 46, 47, 4A, or 5A

1. Ignition - On/Vehicle - In Service Mode
2. Verify DTC C056E is not set.
   • If the DTC is set 
   1. Perform all necessary programming and setup procedures for the control module: K43 Power Steering Control Module
   2. Verify the DTC does not set.
      • If the DTC sets - Replace the component: K43 Power Steering Control Module
      • If the DTC is not set
   3. All OK.
   • Go to next step: If the DTC is not set 
3. All OK.

Symptom Byte: 42

1. Ignition - On/Vehicle - In Service Mode
2. Verify DTC C056E is not set.
   • If the DTC is set 
   1. Calibrate the power steering control module. Refer to: Power Steering Control Module Calibration 
   2. Verify the DTC does not set.
      • If the DTC sets - Replace the component: K43 Power Steering Control Module
      • If the DTC is not set
   3. All OK.
   • Go to next step: If the DTC is not set 
3. All OK.

Symptom Byte: 37

1. Ignition - On/Vehicle - In Service Mode
2. Verify DTC C056E is not set.
   • If the DTC is set 

     Replace the component: Steering Gear

   • Go to next step: If the DTC is not set 
3. All OK.