CADILLAC
18199
Manufacturer communications
- Publication date
- 2018-09-18
- Received by NHTSA
- 2018-11-13
- NHTSA record numbers
- 10147331
Manufacturer summary
Original wording in English
18199 - Service Update - Software that controls the electric motor for the auxiliary transmission fluid pump has a fault in the logic used for restarting the pump. During a pump restart attempt, motor current over threshold can occur resulting in DTC P0C28 (Auxiliary Transmission Fluid Pump High Current). Additionally, DTC P0B07 (Auxiliary Transmission Fluid Pump Motor Phase W Low Current) was incorrectly calibrated off. A Phase W Low Current fault will result in a vehicle shutdown or no-start condition with no DTC stored and no MIL illuminated.
Reported code forms
Manufacturer wording
Source wording can vary by vehicle and suffix. It is shown as written, not as a universal diagnosis.
Cadillac
P0B07Auxiliary Transmission Fluid Pump Motor Phase W Low CurrentCadillac
P0C28Auxiliary Transmission Fluid Pump High CurrentCheck vehicle applicability
A listed vehicle is a research lead. Confirm the engine, production range and software in the manufacturer's information.
| Make | Model | Model year |
|---|---|---|
| Cadillac | CT6 PLUG-IN HYBRID | 2018 |
| Cadillac | CT6 PLUG-IN HYBRID | 2017 |