P0606 MAZDA ECM Processor Failure

Possible causes
– Engine Control Module (ECM) Harness power supply circuit is open or shorted
– Engine Control Module (ECM) Programming
– Faulty Engine Control Module (ECM)
Tech description
Check the ECM fuse, if fuse is OK try erasing the code first and if the code comes back you may have to reprogram or replaced the ECM.
When is the obd code mean?
Indicates the ECM has experienced an internal memory fault.
– Engine Light ON (or Service Engine Soon Warning Light)
– Engine may not start
P0606 MAZDA OBD Code Description

The Engine Control Module (ECM) continuously monitors its internal memory status, internal circuits, and output signals to the throttle actuator. This self?check insures that the ECM is functioning properly. If any malfunction is detected, the ECM will set the code and illuminate the engine light.

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