Control circuit shorted to voltage, or damaged wiring to the profile actuator or solenoid; Corroded, loose or damaged connector at the actuator or control unit; Faulty camshaft profile actuator or solenoid (internal electrical fault); Low or contaminated engine oil, or wrong grade, affecting the actuator and its circuit behaviour; Fault in the engine control unit output driver; Outdated control unit software where a manufacturer update is known to address this code.

P002C

B Camshaft Profile Actuator A Control Circuit High Bank 1.

Generic
Powertrain
Generic code
Medium severity

How this code is built

P: SystemPowertrain
0: Defined bySAE, the same on every car
0: AreaFuel and air metering, auxiliary emission controls
2C: FaultThe specific fault in that area

What it means

P002C means the engine control unit has detected a high voltage or high-signal fault in the control circuit for the Bank 1 'A' actuator that changes the profile of the 'B' camshaft. This is the variable valve lift or profile system. The 'B' camshaft is usually the exhaust cam, but this depends on the engine. The control unit sets the code when the voltage on the actuator control circuit is higher than expected, which points to a wiring, connector, actuator or control unit driver fault.

Symptoms

Engine warning light on
Rough or unstable idle
Loss of power or flat spot at higher revs
Poorer fuel economy
Engine may enter a limited-performance mode
Possible hesitation or rough running on acceleration

Possible causes

Control circuit shorted to voltage, or damaged wiring to the profile actuator or solenoidlikely
Corroded, loose or damaged connector at the actuator or control unitlikely
Faulty camshaft profile actuator or solenoid (internal electrical fault)likely
Low or contaminated engine oil, or wrong grade, affecting the actuator and its circuit behaviourpossible
Fault in the engine control unit output driverrare
Outdated control unit software where a manufacturer update is known to address this coderare

How to diagnose

Read all stored codes and freeze frame data to see engine speed, load, temperature and whether other cam or valve timing codes are present.
Check the oil level and condition and confirm the correct grade is in the engine.
Inspect the wiring and connector at the Bank 1 profile actuator for chafing, heat damage, oil contamination, bent pins and corrosion.
Check the wiring loom back to the control unit for damage, and look for any previous repairs.
With the ignition off and the connectors disconnected, test the control circuit for a short to voltage and for continuity against the manufacturer wiring diagram.
Measure the actuator coil resistance and compare it with the specification for that engine.
Check the supply voltage and earth at the actuator, and the battery and charging voltage.
Clear the code and road test, then monitor actuator commands and valve timing or lift data to see if the fault returns. Procedures vary by model and engine.

How to fix

Repair or replace damaged wiring, including any short to voltage on the control circuit.
Clean or replace the faulty connector or terminals at the actuator or control unit.
Replace the faulty camshaft profile actuator or solenoid.
Correct the oil level and change the oil and filter if it is the wrong grade or contaminated.
Apply a manufacturer software update if a known calibration fault applies to this vehicle.
Repair or replace the control unit only after the wiring and actuator have been proven good.

Can I keep driving?

Medium severity

The car can usually be driven short distances, but expect reduced performance and possible limp mode. Get it checked soon, as running poorly or on low oil could lead to further engine problems.

Guide written by AI from the code's definition. Confirm with a diagnosis before replacing parts.