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Home/DTC Codes/Chevrolet/Spark EV/2014-2016 Electric Motor/U0178
U0178

Lost Communication with Rain Sensor Module

2014-2016 Chevrolet Spark EV Electric Motor 🇨🇦

Low SeverityNetwork

Description

Cannot communicate with the rain-sensing windshield wiper module.

Symptoms

  • Auto wipers not working
  • Rain sense feature disabled
  • Wipers only work in manual mode

Common Causes

  • Rain sensor failure
  • Wiring issue
  • Sensor not bonded to windshield
  • Fuse blown
  • Windshield replacement error

Diagnostic Steps

  1. Check rain sensor power
  2. Test wiring
  3. Verify sensor bonded to windshield properly
  4. Check fuse
  5. Inspect sensor gel pad

Repair Notes

Check sensor mounting gel pad on windshield. Must be rebonded during windshield replacement.

Related Codes

U0140Lost Communication with Body Control Module

Other Network Codes

U0178 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 U0178 mean on a 2014-2016 Chevrolet Spark EV?

U0178 stands for "Lost Communication with Rain Sensor Module". Cannot communicate with the rain-sensing windshield wiper module.

What are the symptoms of U0178 on a Chevrolet Spark EV?

Common symptoms of U0178 include: Auto wipers not working, Rain sense feature disabled, Wipers only work in manual mode.

What causes U0178 on a 2014-2016 Chevrolet Spark EV?

Common causes of U0178 include: Rain sensor failure, Wiring issue, Sensor not bonded to windshield, Fuse blown, Windshield replacement error.

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