OBD-II code · Powertrain (generic, extended)
P2D52 Hybrid/EV Battery Pack Coolant Temperature Sensor C Circuit
The ECM detects a circuit fault on the hybrid/ev battery pack coolant temperature sensor c circuit. Reading cannot be used reliably for control.
Is it safe to drive with P2D52?
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
- Medium
- DIY friendly
- Best left to a mechanic
- Typical labour
- 0.5–3 h
- Emissions test
- Usually unaffected
- Parts involved
- Hybrid Battery Pack Coolant Temp Sensor C, Wiring Harness, Bms
Related codes
- P0C42Hybrid/EV Battery Pack Coolant Temperature Sensor A Circuit
- P0CD5Hybrid/EV Battery Pack Coolant Temperature Sensor B Circuit
- P2E74Hybrid/EV Battery Pack Coolant Temperature Sensor D Circuit
- P2D4FHybrid/EV Battery Pack K Over Temperature
- P2D50Hybrid/EV Battery Pack L Over Temperature
- P2D51Air Assisted Injector Control Circuit
- P2D53Hybrid/EV Battery Pack Coolant Temperature Sensor C Circuit Range/Performance
- P2D54Hybrid/EV Battery Pack Coolant Temperature Sensor C Circuit Low
- P2D55Hybrid/EV Battery Pack Coolant Temperature Sensor C Circuit High
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.