Operation CHARM: Car repair manuals for everyone.

EATX PRNDL Message Failed

Tests 225 - 228:




SYMPTOM
EATX PRNDL MESSAGE TEST FAILED

WHEN MONITORED
When engine is running.

SET CONDITION
The engine is running above 450 rpm and the Body Control Module has not received a transmission PRNDL message.

POSSIBLE CAUSES
- Transaxle operates improperly
- CCD bus (+) circuit open
- CCD bus (-) circuit open
- TCM doesn't communicate