Lost Communication with Head-Up Display 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 u0158 diagnostic code information including labor time estimates, cost ranges, and technician notes specific to this engine configuration.
Description
Cannot communicate with the head-up display (HUD) projector module.
Symptoms
- HUD not projecting
- HUD display blank
- HUD settings not accessible
- HUD warning message
Common Causes
- HUD module failure
- CAN bus wiring
- Module power loss
- Fuse blown
- HUD projector lamp failure
Diagnostic Steps
- Check HUD module fuse
- Test power and ground
- Check CAN wiring
- Inspect HUD projector unit
- Test with diagnostic tool
Repair Notes
Check fuses. HUD projector units can fail from heat exposure on dash.
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
U0158 on Other Vehicles
Common Questions
What does code U0158 mean on a 2019-2019 Buick Enclave?
U0158 stands for "Lost Communication with Head-Up Display Module". Cannot communicate with the head-up display (HUD) projector module.
What are the symptoms of U0158 on a Buick Enclave?
Common symptoms of U0158 include: HUD not projecting, HUD display blank, HUD settings not accessible, HUD warning message.
What causes U0158 on a 2019-2019 Buick Enclave?
Common causes of U0158 include: HUD module failure, CAN bus wiring, Module power loss, Fuse blown, HUD projector lamp failure.
Last updated: March 2026