Free API

U0141

NetworkModule Communicationmoderate severity

Lost Communication with Front ECM A

What U0141 Means

Cannot communicate with the front electronic control module A, often managing front body electronics.

Symptoms

  • Front lighting issues
  • Front park assist not working
  • Front wiper issues
  • DRL malfunction

Common Causes

  • Front ECM failure
  • CAN bus wiring
  • Module power loss
  • Fuse blown
  • Front-end collision damage

Diagnostic Steps

  1. Check front ECM fuse
  2. Test power and ground
  3. Check CAN wiring
  4. Inspect for collision damage
  5. Test module directly
Where to start: Check for front-end damage. Module located in front of vehicle is susceptible to impact and water.

Related Codes

U0140

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