P1694

SYMPTOM
P1694 - BUS COMMUNICATION WITH ENGINE MODULE

WHEN 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.

POSSIBLE CAUSES
- Intermittent wiring and connectors
- PCM - Serial communication link