Transmission Code
SYMPTOM
P1687 - NO COMMUNICATION WITH THE MIC
WHEN MONITORED
Continuously with engine running.
SET CONDITION
The code sets in approximately 25 seconds if no BUS messages are received form the MIC.
POSSIBLE CAUSES
- OTHER BUS PROBLEMS PRESENT
- INTERMITTENT WIRING AND CONNECTORS
- MIC - NO COMMUNICATION
- TCM - BUS COMMUNICATION