Powertrain
generic / SAE
P0BA5
Hybrid/EV Battery Voltage Sense V Circuit Range/Performance
The BMS detects a circuit range/performance fault on voltage sense channel V of the high-voltage battery. Cell-group voltage measurement is unreliable on this channel.
SystemPowertrain
Typegeneric / SAE
GroupP0
Range / numberB / A5
Possible causes
- Sense voltage drifted high
- High-resistance contact medium
- Sensor element aged beyond calibration window low
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: hard
- DIY: shop recommended
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References
sae:J2012