P2E3E code meaning
Battery Charger B Module Forced Shutdown Voltage Performance
What P2E3E means
P2E3E is the charger B version of P2E32: the forced shutdown signal of the second charger is electrically in range but its behaviour is implausible. Examples are a shutdown request that the charger ignores, or a level that changes state without a matching command, so the control unit can no longer trust its hardwired off-switch for path B. No manufacturer documents P2E3E or the underlying circuit publicly. What such a line is for can be seen at Watt & Well, whose EVCC controller ends a charging session in hardware as soon as current in its EmShut loop vanishes. CARB demands that plug-in hybrids detect charger faults that prevent or degrade charging. Its low and high faults are P2E3F/P2E40. Expect charger B to be locked out; a first charger may keep charging at reduced power.
P2E3E at a glance
- Check engine lightUsually not
- Emissions testNot an emissions code
- Limp modeNot expected
- Repair difficultyHard
- Typical labor0.5 to 4 hours
- Clears after repairWhen cleared with a scanner
Symptoms of P2E3E
- Charging slower than usual because charger B is locked out
- Charging system warning message
Common causes of P2E3E
- PossibleShutdown input stage inside charger B not responding correctly
- PossibleIntermittent contact in the charger B shutdown line
- Less likelySoftware issue in the module issuing the shutdown
Check the most likely causes first. Replacing parts by guesswork is the most expensive way to clear a code.
Parts involved
On board chargerWiring harness
What each part of P2E3E means
| P | Powertrain system: engine, fuel system, ignition, emissions and transmission. |
| 2 | Generic code (second SAE range): it means the same on every make. |
| 3E | The exact fault in that area. |
What to do next
- Note P2E3E 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 P2E3E
What does P2E3E mean?
P2E3E means "Battery Charger B Module Forced Shutdown Voltage Performance". P2E3E is the charger B version of P2E32: the forced shutdown signal of the second charger is electrically in range but its behaviour is implausible. It is a generic code, so it means the same on every make.
Is it safe to drive with P2E3E?
P2E3E does not normally turn on the check engine light by itself. Watch for the symptoms above and have it checked soon.
Will P2E3E fail an emissions test?
P2E3E 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 P2E3E to fix?
Difficulty: hard. A typical repair takes 0.5 to 4 hours of work. This is a job for a workshop.
Will P2E3E clear itself after the repair?
Clear the code with a scanner after the repair. If the fault is fixed, it does not come back.