P1698

Tests 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 volts.

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

POSSIBLE CAUSES
- Intermittent condition
- Communicate with TCM
- PCM