OBD-II code · Powertrain (generic, extended)
P2E74 Hybrid/EV Battery Pack Coolant Temperature Sensor D Circuit
The ECM detects a circuit fault on the hybrid/ev battery pack coolant temperature sensor d circuit. Reading cannot be used reliably for control.
Is it safe to drive with P2E74?
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 Coolant Temp Sensor D, Wiring Harness, Bms
Related codes
- P0C42Hybrid/EV Battery Pack Coolant Temperature Sensor A Circuit
- P0CD5Hybrid/EV Battery Pack Coolant Temperature Sensor B Circuit
- P2D52Hybrid/EV Battery Pack Coolant Temperature Sensor C Circuit
- P2E71Hybrid/EV Battery Pack B Cell Thickness Sensor Circuit High
- P2E72Hybrid/EV Battery Pack B Cell Thickness Sensor Circuit Low
- P2E73Hybrid/EV Battery Pack B Cell Thickness Sensor Circuit Performance
- P2E75Hybrid/EV Battery Pack Coolant Temperature Sensor D Circuit Range/Performance
- P2E76Hybrid/EV Battery Pack Coolant Temperature Sensor D Circuit Low
- P2E77Hybrid/EV Battery Pack Coolant Temperature Sensor D Circuit High
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.