OBD-II code · Powertrain (generic)
P0ABA Hybrid/EV Battery Pack Voltage Sense A Circuit
The ECM detects a circuit fault on the hybrid/ev battery pack voltage sense a circuit. Reading cannot be used reliably for control.
Is it safe to drive with P0ABA?
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
- Hard
- DIY friendly
- Best left to a mechanic
- Typical labour
- 2–7 h
- Emissions test
- Usually unaffected
- Parts involved
- Hv Battery Pack Voltage Sense A, Wiring Harness, Bms
Related codes
- P0B14Hybrid/EV Battery Pack Voltage Sense B Circuit
- P0B19Hybrid/EV Battery Pack Voltage Sense C Circuit
- P0B1EHybrid/EV Battery Pack Voltage Sense D Circuit
- P0E44Hybrid/EV Battery Pack Voltage Sense E Circuit
- P0E49Hybrid/EV Battery Pack Voltage Sense F Circuit
- P0AB7Engine Mount B Control Circuit Low
- P0AB8Engine Mount B Control Circuit High
- P0AB9Hybrid/EV System Performance
- P0ABBHybrid/EV Battery Pack Voltage Sense A Circuit Range/Performance
- P0ABCHybrid/EV Battery Pack Voltage Sense A Circuit Low
- P0ABDHybrid/EV Battery Pack Voltage Sense A Circuit High
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.