OBD-II code · Powertrain (generic, extended)

P2C1A B Camshaft Profile Actuator Position Sensor C Circuit Bank 1

The position sensor C of camshaft profile actuator on the exhaust side of bank 1 reports a circuit condition. Cam profile selection feedback cannot be measured reliably.

Is it safe to drive with P2C1A?

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

Common causes

  • Most likelyPosition sensor failed
  • PossibleWiring or connector fault

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
Medium
DIY friendly
Best left to a mechanic
Typical labour
1–4 h
Emissions test
Likely to fail
Parts involved
B Camshaft Profile Actuator Pos Sensor C B1, Wiring Harness, Ecm

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