OBD-II code · Powertrain (generic)

P03EB A Camshaft Profile Actuator Position Sensor C Exceeded Learning Limit

The adaptive learning offset for camshaft profile actuator A position sensor C has reached its learning limit. Long-term mechanical wear of the cam profile lock pin or oil control valve.

Is it safe to drive with P03EB?

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

Common causes

  • Most likelyLong-term wear

Symptoms

  • Check engine light on
  • Power loss especially in mid-rpm range
  • Possible rough idle or stalling
  • Increased fuel consumption

Repair at a glance

Difficulty
Hard
DIY friendly
Best left to a mechanic
Typical labour
1.5–6 h
Emissions test
Likely to fail
Parts involved
Camshaft Position Actuator

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