P1694

Test 1-3:

Test 4-5:

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 for 10 seconds.

POSSIBLE CAUSES
- NO COMMUNICATION WITH PCM
- OTHER BUS PROBLEMS PRESENT
- TRANSMISSION CONTROL MODULE.
- INTERMITTENT WIRING AND CONNECTORS