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Home/DTC Codes/Fiat/Cronos/2018-2025 1.3L I4 Flex Firefly/U0147
U0147

Lost Communication with Seat Control Module A

2018-2025 Fiat Cronos 1.3L I4 Flex Firefly

Low SeverityNetworkGeneric (SAE)

Description

Cannot communicate with the driver seat control module.

Symptoms

  • Power seat not adjustable
  • Seat memory not working
  • Seat heater/cooler from module not working
  • Seat position not stored

Common Causes

  • Seat module failure
  • Wiring in seat track area
  • Module power loss
  • Fuse blown
  • Connector under seat disconnected

Diagnostic Steps

  1. Check seat module fuse
  2. Test power and ground
  3. Inspect wiring under seat
  4. Check connector under seat
  5. Try direct module communication

Repair Notes

Check under-seat connector first, often disconnected during cleaning or item retrieval.

Related Codes

U0140Lost Communication with Body Control Module

Other Network Codes

U0147 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 U0147 mean on a 2018-2025 Fiat Cronos?

U0147 stands for "Lost Communication with Seat Control Module A". Cannot communicate with the driver seat control module.

What are the symptoms of U0147 on a Fiat Cronos?

Common symptoms of U0147 include: Power seat not adjustable, Seat memory not working, Seat heater/cooler from module not working, Seat position not stored.

What causes U0147 on a 2018-2025 Fiat Cronos?

Common causes of U0147 include: Seat module failure, Wiring in seat track area, Module power loss, Fuse blown, Connector under seat disconnected.

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