Operation CHARM: Car repair manuals for everyone.

P1602







P1602-PCM NOT PROGRAMMED

For a complete wiring diagram Consult Diagrams/Electrical.

- When Monitored:
Ignition on and battery voltage greater than 10 volts.

- Set Condition:
The PCM has not been programmed.





Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. Initial Inspection and Diagnostic Overview.

Diagnostic Test

1. PCM PROGRAMMED
Ignition on, engine not running.
With a scan tool, erase DTCs.
With a scan tool program the PCM.
Start the engine.
Allow the engine to reach normal operating temperature.
With a scan tool, select View DTCs.
Does the DTC reset?

Yes

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

No

- The PCM has been successfully programmed. Test is complete.
- Perform the POWERTRAIN VERIFICATION TEST. Powertrain Verification Test