Transmission Code

P0600 - SERIAL COMMUNICATION LINK MALFUNCTION

When Monitored and Set Condition:
P0600 - SERIAL COMMUNICATION LINK MALFUNCTION

When Monitored: Continuously with engine running.

Set Condition: The DTC sets in approximately 20 seconds if no BUS messages are received by the TCM.

Possible Causes:
NO COMMUNICATION WITH MIC
NO COMMUNICATION WITH PCM
INTERMITTENT WIRING AND CONNECTORS
TCM - INTERNAL ERROR