Diagnostic Test

1) REPROGRAM THE POWERTRAIN CONTROL MODULE

Fig 1: SCAN TOOL (STARSCAN)
Courtesy 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.