Powertrain
generic / SAE
P2E51
Battery Charger Coupler Temperature Sensor D Circuit Low
The ECM detects a circuit low fault on the battery charger coupler temperature sensor d circuit. Reading cannot be used reliably for control.
SystemPowertrain
Typegeneric / SAE
GroupP2
Range / numberE / 51
Possible causes
- Signal wire shorted to ground high
- Internal sensor short medium
- Connector pins corroded - high contact resistance low
Symptoms
- Charge status indicator shows fault
- Charging may not start or interrupts
- Slower-than-expected charge rate
Inspection / repair
- Difficulty: easy
- DIY: shop recommended
- Estimated cost: 80–400 €
- Estimated time: 0.3–2 h
- Component: battery charger coupler temp sensor d
- Component: wiring harness
- Component: bms
- MIL / check engine light
- limp mode possible
Sources
References
sae:J2012