P1694
Symptom: P1694-BUS COMMUNICATION WITH ENGINE MODULEWhen Monitored:
Continuously with ignition key on.
Set Condition:
If no bus messages are received from the Powertrain Control Module (PCM) for 10 seconds.
Note: Due to the integration of the Powertrain and Transmission Control Modules, bus communication between the modules is internal.
Test 1-3:
POSSIBLE CAUSES
- POWERTRAIN CONTROL MODULE
- INTERMITTENT WIRING AND CONNECTORS