OBD-II code · Network

U014E Lost Communication With Multi-axis Acceleration Sensor Module B

ECU lost CAN communication with multi-axis acceleration sensor module B (used by stability and airbag systems).

Is it safe to drive with U014E?

The car may go into limp mode (reduced power). Get it diagnosed before a long trip.

Common causes

  • Most likelyModule unpowered
  • 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
Best left to a mechanic
Typical labour
0.5–3 h
Emissions test
Usually unaffected
After the fix
A drive cycle is needed before the light stays off
Parts involved
Multi Axis Accel Module B, Can Bus

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