P0601 Lack of proper voltage to the PCM, Defective PCM memory module, Defective PCM ground circuit(s), Defective PCM controlled output devices

P0601

Lack of proper voltage to the PCM, Defective PCM memory module, Defective PCM ground circuit(s), Defective PCM controlled output devices

---------------------------P0601 can be caused by:

Lack of proper voltage to the PCM

Defective PCM memory module

Defective PCM ground circuit(s)

Defective PCM controlled output devices

Some possible solutions include checking the battery and charging system, checking the PCM power and ground circuits, testing the PCM memory module, and checking the PCM controlled output devices. In some cases, the PCM may need to be replaced.