OBD-II code · Powertrain (generic)
P057F Battery A State of Charge Performance
The battery monitor reports a State of Charge (SoC) value that does not match the rest-voltage and current pattern - typically a battery near end of life, sulfation, or a deep discharge that the SoC algorithm has not converged on.
Is it safe to drive with P057F?
Usually safe to drive in the short term. Get it diagnosed when convenient, sooner if the car drives differently.
Common causes
- Most likelyBattery aged or sulfated
Repair at a glance
- Difficulty
- Easy
- DIY friendly
- Often, with basic tools
- Typical labour
- 0.4–1.5 h
- Emissions test
- Usually unaffected
- Parts involved
- Battery A, Battery Monitor Module
Related codes
- P00FDBattery B State of Charge Performance
- P057CBrake Pedal Position Sensor A Circuit Low
- P057DBrake Pedal Position Sensor A Circuit High
- P057EBrake Pedal Position Sensor A Circuit Intermittent or Erratic
- P0580Cruise Control Multi-Function Input A Circuit Low
- P0581Cruise Control Multi-Function Input A Circuit High
- P0582Cruise Control Vacuum Control Circuit Open
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.