U184F
Electric A/C Compressor Control Module Lost CommunicationWwith Engine Control Module
U184F is an OBD-II diagnostic trouble code meaning: Electric A/C Compressor Control Module Lost CommunicationWwith Engine Control Module. Common causes: open or short circuit in the can bus circuit, malfunction of the air conditioning compressor control module. Estimated repair cost: $56–278.
Symptoms
- Air conditioner doesn't work
- Check Engine Light Is On
- Loss of engine power
- Incorrect operation of the climate control system
- Error message on the dashboard
Causes
- Open or short circuit in the CAN bus circuit
- Malfunction of the air conditioning compressor control module
- Problems with the engine ECU
- Poor contact in connectors
- Corroded or damaged wires
How to Fix
- Check the integrity of the wiring harness between the modules
- Check connections and contacts in connectors
- Scan all modules for errors
- Check the power and ground of the compressor control module
- If necessary, replace the faulty module
Related codes
FAQ
What does the U184F code mean?
U184F is an OBD-II diagnostic trouble code that indicates: Electric A/C Compressor Control Module Lost CommunicationWwith Engine Control Module
What causes a U184F error code?
The most common causes of U184F include: Open or short circuit in the CAN bus circuit; Malfunction of the air conditioning compressor control module; Problems with the engine ECU; Poor contact in connectors.
How do I fix a U184F diagnostic trouble code?
To fix U184F: Check the integrity of the wiring harness between the modules. Check connections and contacts in connectors. Scan all modules for errors. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with U184F?
Yes, but get it checked soon
How much does it cost to fix U184F?
The estimated repair cost for U184F is $56–278. Actual cost depends on your vehicle, location, and labor rates.
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