P1698

Test 1 - 2:

Test 3:

SYMPTOM
P1698 - NO BUS MESSAGE FROM TRANS CONTROL MODULE

WHEN MONITORED
Equipped with a 4 speed automatic transmission. The ignition on. Battery voltage greater than 10.4 volts.

SET CONDITION
No bus messages from the TCM for 20 seconds, two trips required.

POSSIBLE CAUSES
- Intermittent condition
- Communicate with TCM
- PCM