FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
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P2108






P2108-ELECTRONIC THROTTLE CONTROL MODULE PERFORMANCE

For a complete wiring diagram refer to the Wiring Information Electrical Diagrams.

- When Monitored:
Ignition on.

- Set Condition:
Internal PCM failure. Customer may experience an extended cranking condition with limited driving and a rough idle. One trip fault and the code will set within 5 seconds. ETC light is flashing.





Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. Pre-Diagnostic Troubleshooting Procedure.
REPROGRAM THE POWERTRAIN CONTROL MODULE
1. Check for any related TSBs.
2. 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.

3. Flash the Powertrain Control Module if any updates are available.
4. Start the engine.
5. Allow the engine to reach normal operating temperature.
6. Operate the accelerator pedal. (do not exceed 3500 rpm)
7. Test drive the vehicle for 10 miles on a flat road surface.

Does this DTC reset by itself?

Yes

- Replace and reprogram the Powertrain Control Module.
- Perform the POWERTRAIN VERIFICATION TEST. Powertrain Verification Test

No

- Test Complete.