OBD Guide

U0351

Software Incompatibility With Active Grille Air Shutter Module D

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
~$56 (est.)

Symptoms

  • Check Engine Light Is On
  • Active radiator grille does not respond to commands
  • Increased fuel consumption
  • Reduced engine cooling efficiency
  • Error message on the dashboard

Causes

  • Incompatible ECU software version
  • Incorrect active grid module software update
  • Problems with communication between modules
  • Software corruption
  • Calibration data mismatch

How to Fix

  1. Check software versions of all related modules
  2. Update ECU software to latest version
  3. Reflash the active radiator grille module
  4. Check the integrity of the CAN bus
  5. Calibrate the system after updating the software

Related codes

Error U0351 by Vehicle Brand