Lost Communication with A/C Compressor Control Module
2019-2019 Buick Enclave 3.6L V6
The 2019 Buick Enclave is equipped with a 3.6L V6 engine. Below you'll find detailed u0144 diagnostic code information including labor time estimates, cost ranges, and technician notes specific to this engine configuration.
Description
Cannot communicate with the air conditioning compressor clutch control module.
Symptoms
- A/C not engaging
- A/C compressor not running
- Climate control warning
- No cold air from vents
Common Causes
- A/C compressor module failure
- CAN bus wiring
- Module power loss
- Fuse blown
- Compressor clutch failure
Diagnostic Steps
- Check A/C compressor fuse
- Test module power and ground
- Check CAN wiring
- Test compressor clutch directly
- Check refrigerant pressure
Repair Notes
Check refrigerant charge first, then fuses. Low refrigerant prevents compressor engagement.
Related Codes
Other Network Codes
- U0001High Speed CAN Communication Bus
- U0002High Speed CAN Communication Bus Performance
- U0003High Speed CAN Communication Bus (+) Open
- U0004High Speed CAN Communication Bus (+) Low
- U0005High Speed CAN Communication Bus (+) High
- U0006High Speed CAN Communication Bus (-) Open
- U0007High Speed CAN Communication Bus (-) Low
- U0008High Speed CAN Communication Bus (-) High
- U0009High Speed CAN Communication Bus Shorted Together
- U0010Medium Speed CAN Communication Bus
U0144 on Other Vehicles
Common Questions
What does code U0144 mean on a 2019-2019 Buick Enclave?
U0144 stands for "Lost Communication with A/C Compressor Control Module". Cannot communicate with the air conditioning compressor clutch control module.
What are the symptoms of U0144 on a Buick Enclave?
Common symptoms of U0144 include: A/C not engaging, A/C compressor not running, Climate control warning, No cold air from vents.
What causes U0144 on a 2019-2019 Buick Enclave?
Common causes of U0144 include: A/C compressor module failure, CAN bus wiring, Module power loss, Fuse blown, Compressor clutch failure.
Last updated: March 2026