OBD-II code · Network

U0412 Invalid Data Received from Wheel Speed Sensor (Front, Passenger Side)

ABS receives invalid front-passenger wheel speed data. ABS/ESP are deactivated until the signal becomes plausible again.

Is it safe to drive with U0412?

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 Fr

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