P0E68 code meaning
Battery Charger Control Circuit Range/Performance
What P0E68 means
P0E68 is the plausibility code of the charger command line: no short or open is present, yet the charger does not react to the command in the expected way or in the expected time. Typical triggers are a charger that wakes too slowly, a voltage drop on the line that leaves the level ambiguous, or software in the two modules that disagrees. No manufacturer documents P0E68 publicly. A close analogue is Ford's P0E64 on its 2019 hybrids: once the charge wake-up line is high, the battery energy control module must report ready within 30 seconds. GM's general circuit code for the same line is P0E65. CARB requires detection of charger faults that block charging or reduce its rate. Pure wiring faults are P0E65 to P0E67; a software update is often the first step.
P0E68 at a glance
- Check engine lightUsually not
- Emissions testNot an emissions code
- Limp modeNot expected
- Repair difficultyMedium
- Typical labor0.5 to 3 hours
- Clears after repairWhen cleared with a scanner
Symptoms of P0E68
- Charging starts late, stops or fails intermittently
- Charge timer or scheduled charging not working
Common causes of P0E68
- PossibleCharger and control unit software not matching
- PossibleCharger responding late or not at all to the command
- PossibleExcess resistance in the line distorting the signal level
Check the most likely causes first. Replacing parts by guesswork is the most expensive way to clear a code.
Parts involved
Battery charger control circuitOn board chargerBattery energy control module
What each part of P0E68 means
| P | Powertrain system: engine, fuel system, ignition, emissions and transmission. |
| 0 | Generic code: it means the same on every make (SAE standard). |
| 68 | The exact fault in that area. |
What to do next
- Note P0E68 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 P0E68
What does P0E68 mean?
P0E68 means "Battery Charger Control Circuit Range/Performance". P0E68 is the plausibility code of the charger command line: no short or open is present, yet the charger does not react to the command in the expected way or in the expected time. It is a generic code, so it means the same on every make.
Is it safe to drive with P0E68?
P0E68 does not normally turn on the check engine light by itself. Watch for the symptoms above and have it checked soon.
Will P0E68 fail an emissions test?
P0E68 is not an emissions code, so on its own it usually does not fail an emissions test. Other stored codes or a lit check engine light still can.
How hard is P0E68 to fix?
Difficulty: medium. A typical repair takes 0.5 to 3 hours of work. This is a job for a workshop.
Will P0E68 clear itself after the repair?
Clear the code with a scanner after the repair. If the fault is fixed, it does not come back.