P2E9A code meaning
Charge Port Door B Position Sensor Circuit Low
What P2E9A means
P2E9A reports that the flap B position signal has fallen under its lowest valid value. A signal wire chafed against ground, water in the connector or an internally shorted sensor are the usual reasons. Tesla's latch patent shows a common build in which a reed or Hall element inside the latch senses a magnet disc on the door, so the signal follows the gap between them. No manufacturer documents P2E9A publicly. For the A flap of the 2011 Volt, GM sets P0CCE as Type B when 6 out of 8 readings fall under 22.9 percent, and while a position code is active it holds back the control pilot test P0CF4 and the opening check P0CD2. P2E9B is the high counterpart, P2E98 the general circuit code. Expect a flap state that never changes and possibly blocked charging.
P2E9A at a glance
- Check engine lightUsually not
- Emissions testNot an emissions code
- Limp modeNot expected
- Repair difficultyMedium
- Typical labor0.5 to 2.5 hours
- Clears after repairWhen cleared with a scanner
Symptoms of P2E9A
- Flap B status in the display does not change
- Charging blocked or charging flap warning
Common causes of P2E9A
- Most likelyPosition signal wire of flap B shorted to ground
- PossibleWater in the sensor connector at flap B
- PossiblePosition sensor failed short internally
Check the most likely causes first. Replacing parts by guesswork is the most expensive way to clear a code.
Parts involved
Charge port door b position sensorWiring harnessControl module
What each part of P2E9A means
| P | Powertrain system: engine, fuel system, ignition, emissions and transmission. |
| 2 | Generic code (second SAE range): it means the same on every make. |
| 9A | The exact fault in that area. |
What to do next
- Note P2E9A 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 P2E9A
What does P2E9A mean?
P2E9A means "Charge Port Door B Position Sensor Circuit Low". P2E9A reports that the flap B position signal has fallen under its lowest valid value. It is a generic code, so it means the same on every make.
Is it safe to drive with P2E9A?
P2E9A does not normally turn on the check engine light by itself. Watch for the symptoms above and have it checked soon.
Will P2E9A fail an emissions test?
P2E9A 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 P2E9A to fix?
Difficulty: medium. A typical repair takes 0.5 to 2.5 hours of work. This is a job for a workshop.
Will P2E9A clear itself after the repair?
Clear the code with a scanner after the repair. If the fault is fixed, it does not come back.