Communications

9004-PROGRAMMABLE SPECIAL MODULE (PSM) PROGRAMMED CALIBRATION CHECK SUM ERROR

For a complete wiring diagram Consult Diagrams/Electrical.

- When Monitored:
Continuously.

- Set Condition:
The Programmable Special Module (PSM) detects a Programmed Calibration Check Sum Error.





Diagnostic Test

1. PROGRAMMABLE SPECIAL MODULE (PSM)
Turn the ignition on.
Perform automatic check of checksum.
Is the checksum OK?

Yes

- Test Complete.

No

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