Conditions for Running the DTC

WARNING: This page is about a different car, the 2016 Cadillac ATS. However, it is still accessible from the selected car via links, so may be relevant.

P034A

DTC P0335, P0336, P0651 = Not set
Engine=Running -After an autostop event.
Crankshaft position is being verified.

DTCs run continuously when the above conditions are met.

P034B

DTC P0335, P0336, P0651 = Not set
Engine Speed=400 to 2,000 RPM
MAF Sensor=Greater than 1.5 g/s
Crankshaft Position Sensor=Signal received.

DTCs run continuously when the above conditions are met.