P2E2D code meaning
Battery Charger A Module Supply Voltage Low
What P2E2D means
P2E2D is set when the 12 V feed of the control board in on-board charger A stays below its lower limit. The usual suspects sit outside the charger: a discharged or failing 12 V battery, a DC/DC converter that is not keeping the network up, a blown fuse in the feed, or resistance in supply or ground wiring that eats voltage under load. For orientation, Mitsubishi's Outlander PHEV accepts its charger's supply only between 10 and 16 V before checking the internal rails (P0D67); the limit behind P2E2D is not published, and no manufacturer documents the code. CARB requires plug-in hybrids to catch charger faults that block charging. Too high is P2E2E, implausible P2E2C, low AC input P0D27. The car often still drives, but charging may fail.
P2E2D at a glance
- Check engine lightUsually not
- Emissions testNot an emissions code
- Limp modeNot expected
- Repair difficultyMedium, DIY possible
- Typical labor0.3 to 3 hours
- Clears after repairWhen cleared with a scanner
Symptoms of P2E2D
- Plug-in charging refused or interrupted
- Further low-voltage faults in other modules
- Charging status display behaves erratically
Common causes of P2E2D
- Most likelyDischarged or aged 12 V battery
- PossibleBlown fuse or failed relay in the charger supply
- PossibleHigh resistance in supply or ground wiring
- Less likelyDC/DC converter not maintaining the 12 V network
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 P2E2D means
| P | Powertrain system: engine, fuel system, ignition, emissions and transmission. |
| 2 | Generic code (second SAE range): it means the same on every make. |
| 2D | The exact fault in that area. |
What to do next
- Note P2E2D 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 P2E2D
What does P2E2D mean?
P2E2D means "Battery Charger A Module Supply Voltage Low". P2E2D is set when the 12 V feed of the control board in on-board charger A stays below its lower limit. It is a generic code, so it means the same on every make.
Is it safe to drive with P2E2D?
P2E2D does not normally turn on the check engine light by itself. Watch for the symptoms above and have it checked soon.
Will P2E2D fail an emissions test?
P2E2D 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 P2E2D to fix?
Difficulty: medium. A typical repair takes 0.3 to 3 hours of work. A careful DIY repair is possible with basic tools and a scanner.
Will P2E2D clear itself after the repair?
Clear the code with a scanner after the repair. If the fault is fixed, it does not come back.