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Home/DTC Codes/Chevrolet/Impala/2000-2005 3.4L V6/U0169
U0169

Lost Communication with Fuel Level Control Module

2000-2005 Chevrolet Impala 3.4L V6

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

Chevrolet Astro

1995-2005 4.3L V6 Vortec

Chevrolet Avalanche

2002-2006 5.3L V8 Vortec

Chevrolet Avalanche

2002-2006 8.1L V8 Vortec

Chevrolet Avalanche

2007-2013 5.3L V8 Vortec

Chevrolet Avalanche

2007-2013 6.0L V8 Vortec

Chevrolet Aveo

2012-2018 1.6L I4

Chevrolet Beat

2018-2021 1.2L I4

Chevrolet Beretta

1990-1996 2.2L I4

Common Questions

What does code U0169 mean on a 2000-2005 Chevrolet Impala?

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 Chevrolet Impala?

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 2000-2005 Chevrolet Impala?

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

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