FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
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Communications







900D-PROGRAMMABLE SPECIAL MODULE (PSM) INTERNAL-INVALID EEPROM

For a complete wiring diagram Consult Diagrams/Electrical.

- When Monitored:
Continuously.

- Set Condition:
The Programmable Special Module (PSM) detects an invalid EEPROM version.





Diagnostic Test

WARNING: Resetting the coding irrevocably deletes the current coding in the control unit!

WARNING: Store the current coding using menu 'Data management' as a precaution.

1. TEST FOR INTERMITTENT CONDITION
With the scan tool, record and erase DTC's.
Using the scan tool, Initialize control unit.
Using the scan tool, perform Programmable Special Module (PSM) Reset ECU and Load Coding for vehicle application.
Cycle the ignition on and off three times, turn the ignition on.
With the scan tool, read DTC's.
Does the scan tool display this DTC as active?

Yes

- Replace the Programmable Special Module (PSM).
- Perform BODY VERIFICATION TEST - VER 1.Verification Tests

No

- Test Complete.