Powertrain
generic / SAE
P0514
Battery Temperature Sensor Circuit Range or Performance
The battery temperature sensor reports a value within plausible range yet inconsistent with engine bay or coolant temperature. Modern alternator regulation uses battery temperature to adjust charging voltage, so an offset here causes over- or undercharging.
SystemPowertrain
Typegeneric / SAE
GroupP0
Range / number5 / 14
Possible causes
- Sensor element drifted high
Symptoms
- EV/hybrid system warning light on
- Reduced power output or limp mode
- Charging may fail or be slowed
- Reduced electric range
Inspection / repair
- Difficulty: easy
- DIY: possible
- Estimated cost: 60–220 €
- Estimated time: 0.4–1 h
- Component: battery temperature sensor
- MIL / check engine light
Sources
References
sae:J2012