Operation CHARM: Car repair manuals for everyone.

Blank Screen, No Response, Otis Messages Not Received

NAME OF CODE
OTIS Messages Not Received

WHEN MONITORED
With ignition on.

SET CONDITION
BCM has not received any PCI bus messages from the Overhead Travel Information System (OTIS) for at least 14 seconds.

THEORY OF OPERATION
BCM receives a variety of information from the OTIS over the PCI bus. If the flow of information is stopped for over 14 seconds, the BCM will set this fault.

POSSIBLE CAUSES
- Wiring open circuit
- Wiring short to ground
- Wiring short to battery
- Failed OTIS
- Failed BCM