What it means
The charge port door A open request switch circuit intermittent/erratic reports a fault. Operator request for charge port unlocking is unreliable.
At a glance
- Usually lights the check-engine light
How it works
The charge port door A open-request switch signals the driver's release request to the control module. This code sets when that signal changes unpredictably or drops out intermittently, rather than staying consistently low or high.
Common causes
Most likely first.
- Connector not seated
- Noisy ground reference
- Connector with intermittent contact under vibration
Symptoms
- Charge status indicator shows fault
- Charging may not start or interrupts
- Slower-than-expected charge rate
How to diagnose it
- Check freeze-frame data and monitor the request input while repeatedly operating the switch to identify dropouts or erratic transitions.
- Inspect the switch connector for incomplete seating, corrosion, or loose terminals that could move with vibration.
- Examine the harness near the door hinge and switch for chafing, strain, or damaged insulation.
- While watching the scan-tool input, gently move the harness and connector to see whether vibration or movement reproduces the fault.
- Check the switch, ground reference, and circuit continuity against the manufacturer's specification; investigate the module input only if these tests pass.
Common fixes
- Reseat the connector and secure the harness to prevent movement.
- Clean or replace terminals with intermittent contact and repair a poor ground reference.
- Repair chafed or broken wiring in the open-request switch circuit.
- Replace the switch if its output drops out during repeated operation.
Can I keep driving?
Driving is generally possible if the door is secure, but the intermittent fault can make the charge port fail to release or charging stop unexpectedly. Check that a charging session remains active before leaving the vehicle.
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.