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Home/DTC Codes/Pontiac/Sunfire/1995-2005 2.2L I4/U0184
U0184

Lost Communication with Radio Module

1995-2005 Pontiac Sunfire 2.2L I4

Low SeverityNetworkGeneric (SAE)

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

  1. Check radio fuse
  2. Test power and ground
  3. Check CAN wiring
  4. Try radio reset procedure
  5. Check for software update availability

Repair Notes

Check fuses. Many head units can be reset by pulling the fuse for 30 seconds.

Related Codes

U0150Lost Communication with Audio Amplifier ModuleU0155Lost Communication with Instrument Panel Cluster

Other Network Codes

U0184 on Other Vehicles

Pontiac Aztek

2001-2005 3.4L V6

Pontiac Bonneville

1990-1999 3.8L V6

Pontiac Bonneville

2000-2005 3.8L V6

Pontiac Bonneville GXP

2000-2005 4.6L V8

Pontiac Bonneville GXP

2000-2005 4.6L V8 Northstar

Pontiac Bonneville SSEi

1992-1999 3.8L Supercharged V6

Pontiac Bonneville SSEi

1992-1999 3.8L V6 Supercharged

Pontiac Firebird

1993-1997 3.4L V6

Common Questions

What does code U0184 mean on a 1995-2005 Pontiac Sunfire?

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 Pontiac Sunfire?

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 1995-2005 Pontiac Sunfire?

Common causes of U0184 include: Radio module failure, CAN bus wiring, Module power loss, Fuse blown, Software crash.

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