P2C06A Camshaft Profile Actuator Position Sensor A Range/Performance Bank 1
- Generic OBD-II code · Powertrain
- Turns on the check-engine light
- Matters for the ITP
- Can trigger limp mode
- How the car detects it
- P2C06 deals with a feedback signal that is electrically intact but makes no sense. On GM's 2.7 L L3B, the ECM follows each shift of the intake profile actuator A on bank 1 through three Hall feedback states: extending once the reading falls below 55, extended below 45 and retracted, back at home, above 68. The code is logged when these states do not appear as expected after a command, or when the feedback reports pin movement although no shift was requested. It needs 4 faulty readings out of 5 with the engine running, supply above 11 V and no crank or camshaft sensor faults, and it is a Type A fault (19OBDG03D, 25OBDG03B). CARB names a single pin that fails to move as a failure the lift monitor must cover. A sticking actuator is more likely than wiring here.
- What you may notice
- Check engine light on immediately
- Lift switching disabled, engine stays on one cam profile
- Possible ticking noise from the cylinder head
- Likely causes
- LikelyActuator pin sticking or slow because of wear or dirty oil
- PossibleWorn groove or sliding sleeve on the intake camshaft
- RareHall feedback element in the actuator giving wrong values
- Inspection (ITP)
- Matters for the ITP. While the check-engine light is on, the car fails the emissions check.
- Repair
- Medium · Usually a job for a workshop.Typical cost: €100 – €1,500
- Related codes
Explanation from obdex (CC0), exactly as the app shows it. Guidance only; confirm with a workshop.