P1556 MINI, BMW: CAMSHAFT POSITION ACTUATOR 'A' CONTROL OPEN CIRCUIT BANK 1
POST UPDATED IN May, 2023
P1556 MINI, BMW: CAMSHAFT POSITION ACTUATOR 'A' CONTROL OPEN CIRCUIT BANK 1
There must be a synchronization between the crankshaft and the shaft to achieve maximum engine efficiency. Regarding the crankshaft, it turns the linear movement produced by the piston into rotation. The camshaft adjusts the performance of the valves that regulate the passage of the air/fuel mixture. At certain moments of the piston stroke, these valves open and close to send the mixture and gases. This process is monitored and controlled by the camshaft actuator.
The Diagnostic Code P1556 OBDII is stored due to the detection of an open circuit in camshaft actuator A corresponding to bank 1.
The P1556 OBD2 fault code is set for the following reasons:
Steps to troubleshoot the OBDII DTC P1556 are as follows: