P057F code meaning
Battery A State of Charge Performance
Powertrain system Generic code P05xx codes Check engine light
What P057F means
P057F means the state of charge of battery A behaves implausibly or leaves its expected range – a performance code, not a circuit fault. Its documented use is on plug-in hybrids of the VW group: the 2025 Porsche Panamera E-Hybrid and Bentley Continental and Flying Spur set it in the high-voltage battery controller, which requests the warning lamp; both causes were software. CARB requires hybrids to monitor battery and charging performance. A use for a 12 V battery sensor was not found; GM and Ford do not list P057F.
P057F at a glance
- Check engine lightYes, usually on
- Emissions testCan fail
- Limp modePossible
- Repair difficultyMedium
- Typical labor0.5 to 2 hours
- Clears after repairWhen cleared with a scanner
Symptoms of P057F
- Check engine light on
- Hybrid function restricted (less electric range or power)
- State of charge display jumping
Common causes of P057F
- Most likelySoftware of the battery controller (state of charge miscalculated)
- PossibleState of charge not relearned after deep discharge, long standstill or disconnection
- Less likelyBattery ageing or cell imbalance
- Less likelyFaulty current or voltage measurement in the battery system
Check the most likely causes first. Replacing parts by guesswork is the most expensive way to clear a code.
Parts involved
High voltage batteryBattery energy control moduleEngine control module
What each part of P057F means
| P | Powertrain system: engine, fuel system, ignition, emissions and transmission. |
| 0 | Generic code: it means the same on every make (SAE standard). |
| 5 | Area: vehicle speed, idle control and auxiliary inputs. |
| 7F | The exact fault in that area. |
What to do next
- Note P057F and any other codes stored with it: several codes together often point to one cause.
- Check for loose connectors and damaged wiring around the parts the code names.
- Check open recalls for your car: some faults are fixed for free by the dealer. Enter your VIN.
- Clear the code only after the repair. If it comes back, the fault is still there.
Buying a used car? Scan it for stored codes before you pay. A recently cleared memory can hide a problem.
Questions about P057F
What does P057F mean?
P057F means "Battery A State of Charge Performance". P057F means the state of charge of battery A behaves implausibly or leaves its expected range – a performance code, not a circuit fault. It is a generic code, so it means the same on every make.
Is it safe to drive with P057F?
Drive gently and only to a workshop. With P057F the car can go into limp mode (reduced power) to protect itself.
Will P057F fail an emissions test?
Yes, it can. P057F is emissions-related, so most inspection programs fail a car while it is stored or while the check engine light is on.
How hard is P057F to fix?
Difficulty: medium. A typical repair takes 0.5 to 2 hours of work. This is a job for a workshop.
Will P057F clear itself after the repair?
Clear the code with a scanner after the repair. If the fault is fixed, it does not come back.