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DTC codes / P00xx · Fuel and air metering and auxiliary emission controls / P001A
P001A indicates that the powertrain control module has detected an open circuit in the control wiring for the bank 1 camshaft profile actuator, which is the solenoid that moves the camshaft to change valve lift or duration. The computer commands the actuator to change cam profile but sees no current flow or an unexpected voltage on the control circuit, so it flags the circuit as open.
Guidance is general and written for all OBD-II vehicles. Exact tests and values vary by model, so confirm the fault before replacing parts.
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