P1698

Tests 1 - 2:

Tests 3 - 4:

SYMPTOM
P1698-NO BUS MESSAGE FROM TRANS CONTROL MODULE

TEST NOTE
All symptoms listed above are diagnosed using the same tests. The title for the tests will be P1698-NO BUS MESSAGE FROM TRANS CONTROL MODULE.

WHEN MONITORED
Equipped with automatic transmission, the ignition key ON, engine running, transmission in drive, vehicle road speed and battery voltage greater than 10 volts.

SET CONDITION
No bus messages from the TCM for 10 seconds, two trips required.

POSSIBLE CAUSES
- Intermittent condition
- Communicate with TCM
- PCM