Tests AB: The O/D Off Indicator Is Never/Always On

PINPOINT TEST AB: THE O/D OFF INDICATOR IS NEVER/ALWAYS ON

AB1:

AB2-AB4:

Normal Operation
The overdrive (O/D) off function is controlled by the O/D off switch located on the shifter assembly. The O/D off status is transmitted to the instrument cluster from the powertrain control module (PCM) over the high speed controller area network (HS-CAN).

Possible Causes
- PCM
- Instrument cluster