OBD-II code · Network

U0411 Invalid Data Received from Wheel Speed Sensor (Front, Driver Side)

ABS reports invalid front-driver wheel speed data. ABS, ESP and traction control are deactivated; the speedometer can be inaccurate.

Is it safe to drive with U0411?

Usually safe to drive in the short term. Get it diagnosed when convenient, sooner if the car drives differently.

Common causes

  • Most likelyExcessive air gap or contaminated tone ring
  • Less likelyGateway module routing CAN messages incorrectly
  • Less likelyCAN terminating resistor (120 Ω) drifted out of spec

Symptoms

  • Multiple warning lights may illuminate
  • Affected modules may go into limp mode or shut down
  • Specific functions inoperative depending on module
  • Diagnostic tools may show communication faults

Repair at a glance

Difficulty
Medium
DIY friendly
Often, with basic tools
Typical labour
0.3–1.5 h
Emissions test
Usually unaffected
Parts involved
Wheel Speed Sensor Fl

Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.