Diagnostic System Check - Power Steering System

Diagnostic System Check - Power Steering System

Steps 1-3:

Steps 4-6:

Test Description
The numbers below refer to the step numbers on the diagnostic table.
2. The lack of communication may be caused by a partial or a total malfunction of the circuit containing the class 2 serial data. The specified procedure will determine the particular condition.
3. The presence of DTCs which begin with a U indicate some other module is not communicating. The specified procedure will collect all the available information before tests are performed.
4. The Body Control Module (BCM) contains the Electric Power Steering (EPS) calibration. The presence of a DTC which begins with a B indicates the EPS system could be disabled due to a BCM malfunction.
5. Tests if a malfunction exists in the EPS system.
6. Tests if the steering column shaft is bent, twisted or damaged due to a previous collision and or air bag deployment.