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Home >> Ford >> 2019 >> Fiesta ST Line, Standard Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 301 (EPAS Guided Routine) >> Pinpoint Tests >> Pinpoint Tests AG: ABS Module DTC C0051 Steering Angle Concerns With The PSCM - Mechanical >> Possible Causes
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Possible Causes

WARNING: This page is about a different car, the 2019 Ford Fusion. However, it is still accessible from the selected car via links, so may be relevant.
  1. AG1: CHECK THE ABS MODULE DTCS 
    • Ignition ON, engine OFF.

      Carry out the ABS self-test.

    • Are DTCs C0051:xx or C006B:xx present and active in the ABS module? 
    Yes No
    Go to  AG2. If other DTCs are present in the ABS module, DIAGNOSE the ABS module DTCs. REFER to Anti-Lock Brake System (ABS) and Stability Control .
    If there is an "ABS false activation, ABS too sensitive, ABS activates on normal stop" symptom present, Go to  AG3.
    For all other ABS symptoms, DIAGNOSE the ABS module DTCs. REFER to Anti-Lock Brake System (ABS) and Stability Control .
    If there are no DTCs present in the ABS module or any ABS symptoms present, No fault found.
    DISCONTINUE this test.
  2. AG2: GUIDED DIAGNOSTIC QUESTION 
    • Carry out all diagnostics for any ABS module DTCs or ABS symptoms before continuing with this pinpoint test.
    • Have diagnostics been carried out for all ABS module DTCs or ABS symptoms? 
    Yes No
    Go to  AG3. DIAGNOSE all ABS module DTCs and ABS symptoms. REFER to Anti-Lock Brake System (ABS) and Stability Control .
  3. AG3: VERIFY DRIVING CONDITIONS WHEN TRACTION CONTROL WARNING INDICATOR ILLUMINATED 
    • Ask the customer if the vehicle was towing something such as a camper, a trailer, or another vehicle when the traction control warning indicator illuminated.
    • Was the vehicle towing something such as a camper, a trailer, or another vehicle when the traction control warning indicator illuminated? 
    Yes No
    Go to  AG4. Go to  AG5.
  4. AG4: VERIFY TOWING EQUIPMENT INSTALLED CORRECTLY 
    • Review towing equipment (load leveling bars, hitch, etc.) with customer, verify equipment is installed correctly, lubricated as required, etc.
    • Verify towing electrical connections are seated and latched correctly.
    • Once equipment is adjusted and verified to be in good working order:
    • Ignition ON, engine OFF.
    • Clear the ABS DTCs.
    • Drive the vehicle, attempt to replicate the customer's driving conditions. Carry out the ABS self-test.
    • Is DTC C0051: xx or C006B:xx present in the ABS module? 
    Yes No
    Go to  AG5. The towing equipment adjustments have resolved the ABS C0051:xx DTC and the repair is complete.
  5. AG5: VERIFY OTHER DRIVING CONDITIONS 
    • Ask the customer is the vehicle was driving in heavy cross-winds, on gravel roads, or other non-standard road conditions.
    • Ignition ON, engine OFF.
    • Clear the ABS DTCs.
    • Drive the vehicle, attempt to replicate the customer's driving conditions.

      Carry out the ABS self-test.

    • Is DTC C0051: xx or C006B:xx present in the ABS module? 
    Yes No
    Go to  AG6. The system is operating correctly at this time and the repair is complete.
  6. AG6: VERIFY STEERING WHEEL IS CENTERED AND ALIGNMENT IS CORRECT 
    • Verify the steering wheel is centered and the alignment is correctly set.
    • Is the steering wheel centered and the alignment correctly set? 
    Yes No
    Go to  AG7. ADJUST the front toe, REFER to Suspension System General Information .
    Go to  AG7.
  7. AG7: CHECK THE STEERING GEAR ATTACHMENT POINTS 
    • Verify the steering gear is properly attached to the frame or sub-frame. Refer to Steering Gear Removal and Installation in the Power Steering article .
    • Verify the steering gear-to-steering shaft joint is correctly installed. Refer to Steering Gear Removal and Installation in the Power Steering article .
    • Are the steering gear attachments properly installed? 
    Yes No
    Go to  AG8. REINSTALL or RECONNECT the steering gear attachment points. REFER to Power Steering article . Go to  AG8.
  8. AG8: RECHECK THE ABS MODULE FOR DTC C0051:XX 
    • Ignition ON, engine OFF.
    • Clear the ABS DTCs.
    • Drive the vehicle, attempt to replicate the customer's driving conditions.

      Carry out the ABS self-test.

    • Is DTC C0051: xx or C006B:xx present in the ABS module? 
    Yes No
    GO to PINPOINT TEST AH . The vehicle is operating correctly at this time. The repairs and adjustments made in this pinpoint test resolved the issue.