OBD-II code · Powertrain (generic)
P0DD4 Hybrid/EV Battery Cell Balancing Circuit K
The cell balancing circuit K reports a generic fault. Cell-group voltage equalization may be impaired on this channel.
Is it safe to drive with P0DD4?
The car may go into limp mode (reduced power). Get it diagnosed before a long trip.
Common causes
- Most likelyBalancing circuit failed
- PossibleSevere cell imbalance
- Less likelyGround point with elevated resistance
Symptoms
- EV/hybrid system warning light on
- Reduced power output or limp mode
- Charging may fail or be slowed
- Reduced electric range
Repair at a glance
- Difficulty
- Hard
- DIY friendly
- Best left to a mechanic
- Typical labour
- 3–10 h
- Emissions test
- Usually unaffected
- Parts involved
- Hv Battery Cell Balancing Circuit K, Bms
Related codes
- P0DB0Hybrid/EV Battery Cell Balancing Circuit B
- P0DB4Hybrid/EV Battery Cell Balancing Circuit C
- P0DB8Hybrid/EV Battery Cell Balancing Circuit D
- P0DBCHybrid/EV Battery Cell Balancing Circuit E
- P0DC0Hybrid/EV Battery Cell Balancing Circuit F
- P0DC4Hybrid/EV Battery Cell Balancing Circuit G
- P0DC8Hybrid/EV Battery Cell Balancing Circuit H
- P0DCCHybrid/EV Battery Cell Balancing Circuit I
- P0DD0Hybrid/EV Battery Cell Balancing Circuit J
- P0DD8Hybrid/EV Battery Cell Balancing Circuit L
- P0DDCHybrid/EV Battery Cell Balancing Circuit M
- P0DE0Hybrid/EV Battery Cell Balancing Circuit N
- P0DD1Hybrid/EV Battery Cell Balancing Circuit J Stuck On
- P0DD2Hybrid/EV Battery Cell Balancing Circuit J Stuck Off
- P0DD3Hybrid/EV Battery Cell Balancing Circuit J Range/Performance
- P0DD5Hybrid/EV Battery Cell Balancing Circuit K Stuck On
- P0DD6Hybrid/EV Battery Cell Balancing Circuit K Stuck Off
- P0DD7Hybrid/EV Battery Cell Balancing Circuit K Range/Performance
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.