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Home >> Jeep >> 2007 >> Commander Overland, RWD >> Repair and Diagnosis >> Engine Performance >> System >> DTCS P1602 To P2123 >> P2107-Electronic Throttle Control Module Processor >> Diagnostic Test
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Diagnostic Test

  1. 1) REPROGRAM THE POWERTRAIN CONTROL MODULE 

    Check for any related TSBs.

    Verify the PCM is at the latest calibration (flash level).

    NOTE: An intermittent loss of power to the PCM without performing an ETC Relearn procedure may cause this DTC to set.

    Flash the Powertrain Control Module per Service Information if any updates are available.

    Start the engine.

    Allow the engine to reach normal operating temperature.

    Operate the accelerator pedal. (do not exceed 3500 RPM)

    Test drive the vehicle for 10 miles on a flat road surface.

    Does this DTC reset? 

    Yes 

    1. Replace and reprogram the Powertrain Control Module per Service Information.
    2. Perform POWERTRAIN VERIFICATION TEST .

    No 

    1. Test Complete.
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