P1602

P1602-PCM NOT PROGRAMMED

For a complete wiring diagram refer to 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.


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, read 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