P1652

Symptoms:
P1652-SERIAL COMMUNICATION LINK MALFUNCTION

When Monitored and Set Condition: P1652-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