P0EC6
A/C Power Supply Relay Control Circuit/Open
P0EC6 is an OBD-II diagnostic trouble code meaning: A/C Power Supply Relay Control Circuit/Open. Common causes: open circuit in the relay control circuit, faulty a/c relay. Estimated repair cost: $6–28.
Symptoms
- Air conditioner won't turn on
- Lack of cold air in the cabin
- Malfunction indicator on the instrument panel
- Increased fan noise
- Unstable operation of the climate control system
Causes
- Open circuit in the relay control circuit
- Faulty A/C relay
- Problems with the control unit
- Short circuit in wiring
- Oxidation of relay contacts
How to Fix
- Check the integrity of the relay control circuit
- Replace the air conditioning relay if necessary
- Check the control unit for errors
- Clean or replace oxidized contacts
- Check wiring for short circuit
Related codes
Error P0EC6 by Vehicle Brand
FAQ
What does the P0EC6 code mean?
P0EC6 is an OBD-II diagnostic trouble code that indicates: A/C Power Supply Relay Control Circuit/Open
What causes a P0EC6 error code?
The most common causes of P0EC6 include: Open circuit in the relay control circuit; Faulty A/C relay; Problems with the control unit; Short circuit in wiring.
How do I fix a P0EC6 diagnostic trouble code?
To fix P0EC6: Check the integrity of the relay control circuit. Replace the air conditioning relay if necessary. Check the control unit for errors. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P0EC6?
Yes, but get it checked soon
How much does it cost to fix P0EC6?
The estimated repair cost for P0EC6 is $6–28. Actual cost depends on your vehicle, location, and labor rates.
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