Possible causes

– Faulty Engine control Module (ECM)
– Engine control Module(ECM) harness is open or shorted
– Engine control Module (ECM) cicuit poor electricl connection
– Low battery voltage

Symptoms

– Engine Light ON (or Service Engine Soon Warning Light)

P0601 Description

There is a problem with the ECM/PCM Read Only Memory (ROM) or Read Access Memory (RAM)

P0601 Information for specific makes

P0601 BMW
P0601 CHEVROLET
P0601 CHRYSLER
P0601 DODGE
P0601 GMC
P0601 ISUZU
P0601 KIA
P0601 MAZDA
P0601 VOLKSWAGEN
P0601 BUICK
P0601 CADILLAC
P0601 PONTIAC
P0601 SATURN