Communications

9002-PROGRAMMABLE SPECIAL MODULE (PSM) INTERNAL-EEPROM

For a complete wiring diagram Consult Diagrams/Electrical.

- When Monitored:
Continuously.

- Set Condition:
The Programmable Special Module (PSM) detects an internal EEPROM failure.





Diagnostic Test

1. TEST FOR INTERMITTENT CONDITION
With the scan tool, record and erase DTC's.
Turn the ignition off.
Disconnect the Programmable Special Module C1 and C2 connectors.
Reconnect the Programmable Special Module C1 and C2 connectors.
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

- Go To 2

No

- The condition that caused this symptom is currently not present. Check for an intermittent condition by inspecting the related wiring harness for chafed, pierced, pinched, and partially broken wires. Also, inspect the related connectors for broken, bent, pushed out, spread, corroded, or contaminated terminals. Repair as necessary.
- Perform BODY VERIFICATION TEST - VER 1.Verification Tests

2. PROGRAMMABLE SPECIAL MODULE (PSM)
Using the scan tool, perform Programmable Special Module (PSM) Reset ECU and Load Coding for vehicle application.
With the scan tool, read DTC's.
Is the DTC still active?

Yes

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

No

- Test Complete.