SYS.OK|MANUAL.DB● LIVE
HOMESERVICE MANUALSFORD2021EXPLORER XLT, RWDREPAIR AND DIAGNOSIS (SINGLE PAGE)BRAKESBRAKES CONTROL SYSTEMSABS GUIDED ROUTINE - PINPOINT TESTS B - BZPINPOINT TESTS BU: ABS MODULE CAN LINK/TORQUE REQUEST ERRORPOSSIBLE CAUSES
2021 Ford Explorer XLT, RWD

Possible Causes

2021 Ford Explorer XLT, RWDSECTION Possible Causes
  • Wiring, terminals or connectors
  • Network communication concern
  • GWM concern
  • ABS module concern
  1. BU1: CHECK THE ABS MODULE COMMUNICATION 
    • Ignition ON, engine OFF.
    • Press the Read Vehicle Information button to view the results of the modules communicating on the network.
    • Retrieve the continuous memory DTCs.
    • Does the ABS module pass the Network Test? 
    Yes No
    Go to  BU3. Go to  BU2.
  2. BU2: CHECK THE GWM COMMUNICATION 
    • Review the results of the modules communicating on the network from the previous step.
    • Did the GWM pass the Network Test? 
    Yes No
    Go to  BU3. DIAGNOSE the scan tool does not communicate with the GWM. REFER to the Module Communications Network article.
  3. BU3: CHECK THE ABS MODULE FOR DTCS 

    Carry out the ABS self-test.

    • Are any DTCs present? 
    Yes No
    DIAGNOSE the ABS module DTCs. GO to the ABS Module DTC Chart. Go to  BU4.
  4. BU4: CHECK FOR GWM DTCS 

    Carry out the GWM self-test.

    • Are any DTCs present? 
    Yes No
    DIAGNOSE the GWM DTC. REFER to the Module Communications Network article. Go to  BU5.
  5. BU5: CHECK FOR PCM DTCS 

    Carry out the PCM KOEO self-test.

    • Are any DTCs present? 
    Yes No
    DIAGNOSE the PCM DTC. REFER to the appropriate Electronic Engine Controls article. Go to  BU6.
  6. BU6: RECHECK FOR PCM DTCS 
    • Clear the PCM DTCs.
    • Ignition OFF.
    • Ignition ON, engine OFF.

      Carry out the PCM KOEO self-test.

    • Are any DTCs present? 
    Yes No
    DIAGNOSE the PCM DTC. REFER to the appropriate Electronic Engine Controls article. Go to  BU7.
  7. BU7: CHECK THE TRACTION CONTROL SYSTEM 
    • Test drive the vehicle.
      • Carry out at least 1 ABS loose gravel acceleration and stop.
    • Ignition OFF.
    • Ignition ON, engine OFF.

      Carry out the PCM KOEO self-test.

    • Are any DTCs present? 
    Yes No
    For KOEO DTCs P1637 and P1942, SET the ignition to OFF. DISCONNECT all PCM and ABS module electrical connectors. INSPECT the connectors for signs of corrosion, bent pins, pushed-out pins and spread terminals. REPAIR as necessary. For all others,
    DIAGNOSE the PCM DTC. REFER to the appropriate Electronic Engine Controls article.    		 The system is operating correctly at this time. The concern may have been caused by a loose or corroded connector. ADDRESS the root cause of any connector or pin issues.
RENDER: 1.0x

NO RELATED

Recommended Tools & Savings

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

Affiliate disclosure: We may earn a commission at no extra cost to you.

Shop Manual-Ready ToolsFree Quote CheckQuote Shield Pro

When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.