OBD-II code · Powertrain (generic)
P0CD7 Hybrid/EV Battery Pack Coolant Temperature Sensor B Circuit Low
The ECM detects a low 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 P0CD7?
The car may go into limp mode (reduced power). Get it diagnosed before a long trip.
Common causes
- Most likelySignal wire shorted to ground
- PossibleInternal sensor short
- Less likelyConnector pins corroded - high contact 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
- 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
- P0C44Hybrid/EV Battery Pack Coolant Temperature Sensor A Circuit Low
- P0CD4Charge Port Door A Unlock Control Circuit High
- P0CD5Hybrid/EV Battery Pack Coolant Temperature Sensor B Circuit
- P0CD6Hybrid/EV Battery Pack Coolant Temperature Sensor B Circuit Range/Performance
- P0CD8Hybrid/EV Battery Pack Coolant Temperature Sensor B Circuit High
- P0CD9Hybrid/EV Battery Pack Coolant Temperature Sensor B Circuit Intermittent/Erratic
- P0CDADrive Motor A Position Sensor Circuit C Circuit
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.