P0CD4
Charge Port Door A Unlock Control Circuit High
P0CD4 is an OBD-II diagnostic trouble code meaning: Charge Port Door A Unlock Control Circuit High. Common causes: short circuit to +12v in the control circuit, malfunction of the electromagnetic lock of the charging port. Estimated repair cost: $33–167.
Symptoms
- Unable to open charging port
- Charging port unlocks spontaneously
- The charging port indicator is flashing
- Charging error at station
- Error message on the dashboard
Causes
- Short circuit to +12V in the control circuit
- Malfunction of the electromagnetic lock of the charging port
- Problems with the charging port control module
- Open or shorted wiring harness
- Connector pin corrosion
How to Fix
- Check control circuit fuse
- Inspect the connectors and wires on the charging port
- Check the resistance of the electromagnetic lock
- Test control module output signals
- Repair only from an authorized dealer
Related codes
Error P0CD4 by Vehicle Brand
FAQ
What does the P0CD4 code mean?
P0CD4 is an OBD-II diagnostic trouble code that indicates: Charge Port Door A Unlock Control Circuit High
What causes a P0CD4 error code?
The most common causes of P0CD4 include: Short circuit to +12V in the control circuit; Malfunction of the electromagnetic lock of the charging port; Problems with the charging port control module; Open or shorted wiring harness.
How do I fix a P0CD4 diagnostic trouble code?
To fix P0CD4: Check control circuit fuse. Inspect the connectors and wires on the charging port. Check the resistance of the electromagnetic lock. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P0CD4?
Yes, but get it checked soon
How much does it cost to fix P0CD4?
The estimated repair cost for P0CD4 is $33–167. Actual cost depends on your vehicle, location, and labor rates.
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