Possible causes
– Faulty Powertrain Control Module (PCM)
– Powertrain Control Module (PCM) harness is open or shorted
– Powertrain Control Module (PCM) cicuit poor electricl connection
– Low battery voltage
– Powertrain Control Module (PCM) harness is open or shorted
– Powertrain Control Module (PCM) cicuit poor electricl connection
– Low battery voltage
Symptoms
– Engine Light ON (or Service Engine Soon Warning Light)
P0601 CHEVROLET Description
The Powertrain Control Module (PCM) EEPROM contains data which is essential to running the engine and transmission. The PCM continuously tests the integrity of this data.
CHEVROLET Technical Service Bulletins for P0601 code
2008 CHEVROLET AVALANCHE POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM, PCM)
2008 CHEVROLET CORVETTE POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM, PCM)
2008 CHEVROLET EQUINOX POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM, PCM)
2008 CHEVROLET MALIBU POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM, PCM)
2008 CHEVROLET SILVERADO POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM, PCM)
2008 CHEVROLET SUBURBAN POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM, PCM)
2008 CHEVROLET TAHOE POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM, PCM)
2009 CHEVROLET AVALANCHE POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM, PCM)
2009 CHEVROLET CORVETTE POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM, PCM)
2009 CHEVROLET EQUINOX POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM, PCM)