OBD-II code · Powertrain (generic)
P0CD5 Hybrid/EV Battery Pack Coolant Temperature Sensor B Circuit
The ECM detects a circuit fault on the hybrid/ev battery pack coolant temperature sensor b circuit. Reading cannot be used reliably for control.
Is it safe to drive with P0CD5?
The car may go into limp mode (reduced power). Get it diagnosed before a long trip.
Common causes
- Most likelySensor failed
- PossibleWiring or connector fault
- Less likelyPack cell imbalance approaching service threshold
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
- Easy
- DIY friendly
- Best left to a mechanic
- Typical labour
- 0.5–3 h
- Emissions test
- Usually unaffected
- Parts involved
- Hv Battery Pack Coolant Temp Sensor B, Wiring Harness, Bms
Related codes
- P0C42Hybrid/EV Battery Pack Coolant Temperature Sensor A Circuit
- P2D52Hybrid/EV Battery Pack Coolant Temperature Sensor C Circuit
- P2E74Hybrid/EV Battery Pack Coolant Temperature Sensor D Circuit
- P0CD2Charge Port Door A Unlock Control Circuit Performance
- P0CD3Charge Port Door A Unlock Control Circuit Low
- P0CD4Charge Port Door A Unlock Control Circuit High
- P0CD6Hybrid/EV Battery Pack Coolant Temperature Sensor B Circuit Range/Performance
- P0CD7Hybrid/EV Battery Pack Coolant Temperature Sensor B Circuit Low
- P0CD8Hybrid/EV Battery Pack Coolant Temperature Sensor B Circuit High
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.