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Home/DTC Codes/Chevrolet/Spark EV/2014-2016 Electric Motor/U0163
U0163

Lost Communication with Navigation Module

2014-2016 Chevrolet Spark EV Electric Motor

Low SeverityNetworkGeneric (SAE)

Description

Cannot communicate with the navigation processing module separate from the display.

Symptoms

  • Navigation function unavailable
  • Map calculations not processing
  • Route guidance not working

Common Causes

  • Navigation processor failure
  • CAN bus wiring
  • Module power loss
  • Fuse blown
  • GPS antenna issue

Diagnostic Steps

  1. Check navigation module fuse
  2. Test power and ground
  3. Check CAN wiring
  4. Verify GPS antenna connection
  5. Test module with diagnostics

Repair Notes

Check fuses and GPS antenna cable. Navigation processor may need map data update.

Related Codes

U0159Lost Communication with Navigation Display Module

Other Network Codes

U0163 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 Blazer

1995-2005 4.3L V6 Vortec

Common Questions

What does code U0163 mean on a 2014-2016 Chevrolet Spark EV?

U0163 stands for "Lost Communication with Navigation Module". Cannot communicate with the navigation processing module separate from the display.

What are the symptoms of U0163 on a Chevrolet Spark EV?

Common symptoms of U0163 include: Navigation function unavailable, Map calculations not processing, Route guidance not working.

What causes U0163 on a 2014-2016 Chevrolet Spark EV?

Common causes of U0163 include: Navigation processor failure, CAN bus wiring, Module power loss, Fuse blown, GPS antenna issue.

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