P0600

P0600-SERIAL COMMUNICATION LINK

For a complete wiring diagram refer to: Electrical Diagrams

When Monitored
With the ignition on.

Set Condition
Internal Bus communication failure between processors. One Trip Fault. Three Global Good Trips to Clear.

Possible Causes
- PCM

Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding.

Diagnostic Test
1. PCM

NOTE: Diagnose any CMP or CKP Sensor faults before continuing. Check for intermittent loose CMP or CKP connections.

The Powertrain Control Module is reporting internal errors, view repair to continue.

Repair
Replace and program the Powertrain Control Module per Service Information.
Perform POWERTRAIN VERIFICATION TEST. Powertrain Verification Test