OBD-II code · Powertrain (generic, extended)
P2E52 Battery Charger Coupler Temperature Sensor D Circuit High
The ECM detects a circuit high fault on the battery charger coupler temperature sensor d circuit. Reading cannot be used reliably for control.
Is it safe to drive with P2E52?
The car may go into limp mode (reduced power). Get it diagnosed before a long trip.
Common causes
- Most likelySignal wire shorted to B+
- PossibleOpen sensor
- Less likelyConnector pins corroded - high contact resistance
Symptoms
- Charge status indicator shows fault
- Charging may not start or interrupts
- Slower-than-expected charge rate
Repair at a glance
- Difficulty
- Easy
- DIY friendly
- Best left to a mechanic
- Typical labour
- 0.3–2 h
- Emissions test
- Usually unaffected
- Parts involved
- Battery Charger Coupler Temp Sensor D, Wiring Harness, Bms
Related codes
- P2E4DBattery Charger Coupler Temperature Sensor C Circuit High
- P2E4FBattery Charger Coupler Temperature Sensor D Circuit
- P2E50Battery Charger Coupler Temperature Sensor D Circuit Range/Performance
- P2E51Battery Charger Coupler Temperature Sensor D Circuit Low
- P2E53Battery Charger Coupler Temperature D Too High
- P2E54Exhaust Pressure Sensor C Circuit
- P2E55Exhaust Pressure Sensor C Circuit Range/Performance
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.