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Home >> Chrysler >> 2005 >> 300 Limited, AWD >> Repair and Diagnosis >> Engine Performance >> System >> DTCS P2098 To P2174 >> Diagnosis And Testing >> P2108-Electronic Throttle Control Module Performance >> Diagnostic Test
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Diagnostic Test

  1. 1)  REPROGRAM THE POWERTRAIN CONTROL MODULE 
    Fig 1: SCAN TOOL (STARSCAN)
    GC0013164Courtesy of DAIMLERCHRYSLER CORP.

    Check for any related TSBs.

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

    NOTE: Inspect the Intake Manifold components for vacuum leaks, repair as necessary
    NOTE: An intermittent loss of power to the PCM without performing an ETC Relearn procedure may cause this DTC to set.
    NOTE: Diagnose any other DTCs that may have set with the P2108.

    Flash the Powertrain Control Module if any updates are available. Refer to MODULE-POWERTRAIN CONTROL .

    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 by itself? 

    Yes 

    1. Replace and reprogram the Powertrain Control Module. Refer to MODULE-POWERTRAIN CONTROL .
    2. Perform NGC POWERTRAIN VERIFICATION TEST VER - 5 .

    No 

    1. Test Complete.
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