Reference meaning
What does this code mean?
The wording below belongs to the named make and communication. Match the complete code, reporting module, model year and engine before applying it.
A code identifies a detected condition, not a part that must automatically be replaced.
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A listed vehicle is a research lead. Confirm the engine, production range and software in the manufacturer's information.
Before replacing a part
Record codes and freeze-frame data. Check battery condition, related codes and visible wiring or hose damage. Follow the vehicle's diagnostic procedure and test results before replacing parts.
Scan worksheet →Manufacturer wording
Source wording can vary by vehicle and suffix. It is shown as written, not as a universal diagnosis.
P0B07Auxiliary Transmission Fluid Pump Motor Phase W Low Current
Manufacturer communications
2Original wording in English
CADILLAC
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…
CHEVROLET
This preliminary informational bulletin provides repair information for a customer concern of a Service Vehicle Soon (SVS) light on, a Propulsion Power Reduced or Vehicle Speed Limited message in the Driver Information Center (DIC) with DTCs with P0B01, P0B04 and/or P0B07 Set .
Check vehicle applicability
4A 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 |
| Chevrolet | SPARK EV ↗ | 2015 |
| Chevrolet | SPARK EV ↗ | 2014 |
Can I keep driving?
A code alone cannot establish whether driving is safe. A flashing malfunction light, severe shaking, overheating, oil-pressure warning or loss of braking or steering needs prompt attention. Stop in a safe place and seek assistance when control or engine safety is affected. Follow the vehicle handbook.