OBD-II code · Network

U0317 Software Incompatibility with Brake System Control Module

A control module has detected that its software version does not match the ABS/brake system module. Typically after a partial flash or fitting an unmatched ABS unit.

Is it safe to drive with U0317?

Usually safe for short trips, but don’t ignore it: the underlying fault can get more expensive over time.

Common causes

  • Most likelyABS software/calibration mismatch
  • PossibleUsed ABS module fitted from different vehicle
  • Less likelyGateway module routing CAN messages incorrectly

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
Hard
DIY friendly
Best left to a mechanic
Typical labour
0.5–3 h
Emissions test
Usually unaffected
Parts involved
ABS Control Module, Control Module

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