ShopBaseFree forever shop management software for auto repair shops
Try ShopBase Free →
Home/DTC Codes/Fiat/Cronos/2018-2025 1.3L I4 Flex Firefly/U0169
U0169

Lost Communication with Fuel Level Control Module

2018-2025 Fiat Cronos 1.3L I4 Flex Firefly

Low SeverityNetworkGeneric (SAE)

Description

Cannot communicate with the fuel level sender or fuel gauge control module.

Symptoms

  • Fuel gauge not reading
  • Fuel level stuck at one position
  • Low fuel warning inaccurate
  • Range calculator not working

Common Causes

  • Fuel level module failure
  • CAN bus wiring
  • Module power loss
  • Fuel sender failure
  • Fuse blown

Diagnostic Steps

  1. Check fuel gauge module fuse
  2. Test power and ground
  3. Check CAN wiring
  4. Test fuel level sender resistance
  5. Inspect fuel tank wiring connector

Repair Notes

Check fuses and fuel sender. Fuel sender is most common failure point.

Related Codes

U0140Lost Communication with Body Control Module

Other Network Codes

U0169 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 U0169 mean on a 2018-2025 Fiat Cronos?

U0169 stands for "Lost Communication with Fuel Level Control Module". Cannot communicate with the fuel level sender or fuel gauge control module.

What are the symptoms of U0169 on a Fiat Cronos?

Common symptoms of U0169 include: Fuel gauge not reading, Fuel level stuck at one position, Low fuel warning inaccurate, Range calculator not working.

What causes U0169 on a 2018-2025 Fiat Cronos?

Common causes of U0169 include: Fuel level module failure, CAN bus wiring, Module power loss, Fuel sender failure, Fuse blown.

View Labor Times | View Torque Specs | View Fluid Specs