U016B
Lost Communication With A/C Compressor Control Module
U016B is an OBD-II diagnostic trouble code meaning: Lost Communication With A/C Compressor Control Module. Common causes: open or short circuit in the module power supply circuit, damage to the wiring harness to the module. Estimated repair cost: $56–278.
Symptoms
- Air conditioner doesn't work
- Check Engine Light Is On
- The air conditioner cannot be turned on from the control panel
- Intermittent operation of the air conditioner before the error appears
Causes
- Open or short circuit in the module power supply circuit
- Damage to the wiring harness to the module
- Compressor control module malfunction
- Problems with the CAN bus
- Oxidation of contacts in connectors
How to Fix
- Check fuses associated with the air conditioning system
- Inspect the wiring harness and connectors for damage.
- Check power and ground on the control module
- Scan the CAN bus for errors
- If necessary, replace the compressor control module
Related codes
Error U016B by Vehicle Brand
FAQ
What does the U016B code mean?
U016B is an OBD-II diagnostic trouble code that indicates: Lost Communication With A/C Compressor Control Module
What causes a U016B error code?
The most common causes of U016B include: Open or short circuit in the module power supply circuit; Damage to the wiring harness to the module; Compressor control module malfunction; Problems with the CAN bus.
How do I fix a U016B diagnostic trouble code?
To fix U016B: Check fuses associated with the air conditioning system. Inspect the wiring harness and connectors for damage.. Check power and ground on the control module. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with U016B?
Yes, but get it checked soon
How much does it cost to fix U016B?
The estimated repair cost for U016B is $56–278. Actual cost depends on your vehicle, location, and labor rates.
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