Test Procedure

2021 Ford Transit-350 HD Base, Van Cargo Extended, 3.5L Eng VIN 8, AWDSECTION Test Procedure
  1. DV1 CHECK FOR DTCS 
    NOTE: If DTC P0068 is present, diagnose all other DTCs first.

    Are DTCs P0068, P0120, P0121, P0122, P0123, P0124, P0221, P0222, P0223, P1124, P1584, P1588, P2100, P2101, P2107, P2109, P2111, P2112, P2118, P2119, P2135, P2163, P2176, U0606, U210F or U2110 present? 

    Yes No
    For DTC P0068, GO to  DV3
    For DTCs P1124, P2100 or P2107, GO to  DV2
    For all others, GO to  DV5
    RETURN to Symptom Charts for further direction.
  2. DV2 REPEAT THE KOEO OR KOER SELF-TEST 
    NOTE: DTC P1124 will set if the accelerator pedal is applied during the self-test.
RENDER: 1.0x

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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.