OBD-II code · Chassis

C059A Power Steering Control Module - Rear Missing Calibration

Rear power steering module not calibrated.

Is it safe to drive with C059A?

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

Common causes

  • Most likelyCalibration not performed

Symptoms

  • ABS warning light on
  • ESC/stability control deactivated
  • Possible reduced brake assist
  • Speedometer may behave erratically

Repair at a glance

Difficulty
Medium
DIY friendly
Best left to a mechanic
Typical labour
0.5–2 h
Emissions test
Usually unaffected
Parts involved
Rear Eps Module

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