Lost Communication with Radio Module
2014-2014 Cadillac SRX 3.0L V6
The 2014 Cadillac SRX is equipped with a 3.0L V6 engine. Below you'll find detailed u0184 diagnostic code information including labor time estimates, cost ranges, and technician notes specific to this engine configuration.
Description
Cannot communicate with the radio or entertainment system head unit.
Symptoms
- Radio display blank
- No audio
- Infotainment system offline
- Touchscreen not responding
- Backup camera display not available
Common Causes
- Radio module failure
- CAN bus wiring
- Module power loss
- Fuse blown
- Software crash
Diagnostic Steps
- Check radio fuse
- Test power and ground
- Check CAN wiring
- Try radio reset procedure
- Check for software update availability
Repair Notes
Check fuses. Many head units can be reset by pulling the fuse for 30 seconds.
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
U0184 on Other Vehicles
Common Questions
What does code U0184 mean on a 2014-2014 Cadillac SRX?
U0184 stands for "Lost Communication with Radio Module". Cannot communicate with the radio or entertainment system head unit.
What are the symptoms of U0184 on a Cadillac SRX?
Common symptoms of U0184 include: Radio display blank, No audio, Infotainment system offline, Touchscreen not responding, Backup camera display not available.
What causes U0184 on a 2014-2014 Cadillac SRX?
Common causes of U0184 include: Radio module failure, CAN bus wiring, Module power loss, Fuse blown, Software crash.
Last updated: March 2026