U046C
Invalid Data Received From A/C Compressor Control Module
U046C is an OBD-II diagnostic trouble code meaning: Invalid Data Received From A/C Compressor Control Module. Common causes: malfunction of the air conditioning compressor control module, damage to the wiring harness to the module. Estimated repair cost: $56–167.
Symptoms
- Air conditioner won't turn on
- Unstable operation of the air conditioning system
- Check Engine light comes on
- Increased fuel consumption
- Loss of power when turning on the air conditioner
Causes
- Malfunction of the air conditioning compressor control module
- Damage to the wiring harness to the module
- Poor contact in connectors
- Software error in the module
- Module power problems
How to Fix
- Check the connections and connectors of the control module
- Test the integrity of the wires to the module
- Check the power supply and ground of the module
- Scan the module for errors
- If necessary, replace the compressor control module
Related codes
Error U046C by Vehicle Brand
FAQ
What does the U046C code mean?
U046C is an OBD-II diagnostic trouble code that indicates: Invalid Data Received From A/C Compressor Control Module
What causes a U046C error code?
The most common causes of U046C include: Malfunction of the air conditioning compressor control module; Damage to the wiring harness to the module; Poor contact in connectors; Software error in the module.
How do I fix a U046C diagnostic trouble code?
To fix U046C: Check the connections and connectors of the control module. Test the integrity of the wires to the module. Check the power supply and ground of the module. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with U046C?
Yes, but get it checked soon
How much does it cost to fix U046C?
The estimated repair cost for U046C is $56–167. Actual cost depends on your vehicle, location, and labor rates.
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