PRNDL Display Messages Not Received

Tests 1 - 2:

Test 3:

SYMPTOM
PRNDL DISP MSG NOT RECEIVED

WHEN MONITORED
Ignition in the ON position.

SET CONDITION
Memory Heated Seat Mirror Module does not receive a PRNDL Bus message from TCM. This can be caused by a loss of voltage due to the IOD fuse being removed and cycling the ignition switch.

POSSIBLE CAUSES
- EATX response
- Stored code/Communication problems
- Memory heated seat mirror module
- Intermittent problem