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Home/DTC Codes/Fiat/Cronos/2018-2025 1.3L I4 Flex Firefly/U0184
U0184

Lost Communication with Radio Module

2018-2025 Fiat Cronos 1.3L I4 Flex Firefly

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

Fiat 124 Spider

2017-2020 1.4L I4 Turbo

Fiat 126p Maluch

1973-2000 0.65L I2 Air-Cooled

Fiat 126p Maluch

1987-2000 0.7L I2 Air-Cooled

Fiat 500

2012-2019 1.4L I4

Fiat 500 Abarth

2012-2019 1.4L I4 Turbo

Fiat 500 BR

2011-2020 1.4L I4 Flex Fire Evo

Fiat 500 PL

2007-2025 1.0L I3 Hybrid FireFly 70

Fiat 500 PL

2007-2025 1.2L I4 Fire 69

Common Questions

What does code U0184 mean on a 2018-2025 Fiat Cronos?

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 Fiat Cronos?

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 2018-2025 Fiat Cronos?

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

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