P0B2D
Hybrid/EV Battery C Voltage Low
The voltage of HV battery C is below the expected window. Cell-group depleted, deeply aged, or sense fault.
Possible causes
- Cells in group aged - capacity reduced high
- Deep discharge event medium
- Pack cell imbalance approaching service threshold low
Symptoms
- EV/hybrid system warning light on
- Reduced power output or limp mode
- Charging may fail or be slowed
- Reduced electric range
Inspection / repair
- Difficulty: hard
- DIY: shop recommended
Pro mode: costs, time and components
Free with the newsletter by Fabian Brose: enter your name and email, confirm by mail – Pro mode is then unlocked on this device for 30 days. The newsletter arrives about every two weeks, unsubscribe at any time. Already subscribed? One click is enough – you will be recognised.
Unlock Pro mode for free