What it means
The charge port door B open request switch reports a circuit high condition. Operator request for charge port unlocking is unreliable.
At a glance
- Usually lights the check-engine light
How it works
Door B’s open-request switch sends a signal to the charging system controller when the driver requests access to the charge port. P2E96 sets when the circuit signal is higher than the controller expects, which can make the request appear stuck or unchanging.
Common causes
Most likely first.
- Switch failed
- Wiring fault
- Connector pins corroded - high contact resistance
Symptoms
- Charge status indicator shows fault
- Charging may not start or interrupts
- Slower-than-expected charge rate
How to diagnose it
- Review freeze-frame data and live switch status while pressing and releasing Door B’s request to see whether the input stays high.
- Inspect the switch circuit for an open signal wire, short to power, or damaged insulation near the door.
- Check connector terminals for corrosion, moisture, looseness, or poor contact that could leave the signal high.
- Test switch operation and circuit continuity, and check for shorts to power using the wiring diagram and manufacturer’s specification.
- If the circuit tests correctly, verify the controller’s input and related grounds before replacing the module.
Common fixes
- Clean and secure the switch connector and terminals.
- Repair an open signal wire or short to power in the Door B circuit.
- Replace a failed Door B open-request switch.
- Repair a controller connection or input only if circuit testing confirms the fault there.
Can I keep driving?
You can usually drive if the vehicle behaves normally, though Door B may not respond to the release request and charging could be delayed or interrupted. Keep sufficient range for an alternative charging stop and avoid forcing the door.
A code shows where the control module detected a fault, not always which part failed. Check the causes in order and confirm with a test before replacing parts. Have several codes? Check them together
This is a generic code: it means the same on every make. The car’s maker may add more detail in its own service information.