OBD-II code · Powertrain (generic)
P0B0D Electric/Auxiliary Transmission Fluid Pump Motor Control Module
The auxiliary transmission fluid pump motor control module reports an internal fault. Pump cannot be commanded reliably.
Is it safe to drive with P0B0D?
The car may go into limp mode (reduced power). Get it diagnosed before a long trip.
Common causes
- Most likelyInternal module fault
- PossibleCommunication lost
Symptoms
- Check engine or transmission warning light on
- Harsh, delayed, or missing shifts
- Possible limp mode (locked in one gear)
- Slipping or shuddering during gear changes
Repair at a glance
- Difficulty
- Hard
- DIY friendly
- Best left to a mechanic
- Typical labour
- 2–8 h
- Emissions test
- Usually unaffected
- Parts involved
- Aux Trans Pump Control Module
Related codes
- P0B0AElectric/Auxiliary Transmission Fluid Pump A Motor Supply Voltage Circuit Low
- P0B0BElectric/Auxiliary Transmission Fluid Pump A Motor Supply Voltage Circuit High
- P0B0CElectric/Auxiliary Transmission Fluid Pump A Hydraulic Leakage
- P0B0EHybrid/EV Battery Pack Current Sensor B Circuit
- P0B0FHybrid/EV Battery Pack Current Sensor B Circuit Range/Performance
- P0B10Hybrid/EV Battery Pack Current Sensor B Circuit Low
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.