Monitor Strategy

Related DTCs

P0604 P0606 P0607 P0657

ECM RAM error ECM range check ECM CPU malfunction ETCS power supply

Required Sensors/Components (Main)


Required Sensors/Components (Related)


Frequency of Operation



P0604: Conditions met for 6 times P0606:1 second

P0607 and P0657: Within 1 second

MIL Operation


Sequence of Operation


Do It Yourself Car Diagnosis

Do It Yourself Car Diagnosis

Don't pay hundreds of dollars to find out what is wrong with your car. This book is dedicated to helping the do it yourself home and independent technician understand and use OBD-II technology to diagnose and repair their own vehicles.

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