Loss of SBEC Messages

Test 1-2:

SYMPTOM
LOSS OF SBEC MESSAGES

WHEN MONITORED
Whenever the ignition is in RUN position and the PRNDL is not in PARK position.

SET CONDITION
If the PSD Module does not receive a speed message from the Powertrain Control Module for over 5 seconds, this code will set.

POSSIBLE CAUSES
- Attempt to communicate with the powertrain control module
- Power sliding door module - loss of SBEC messages