P0606 2006 TOYOTA CAMRY - ECM Processor Error
Possible causes
- Faulty Engine Control Module (ECM)
- Engine Control Module (ECM) Harness power supply circuit is open or shorted
- Engine Control Module (ECM) Programming
Tech notes
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 code detected?
Indicates the ECM has experienced an internal memory fault.Possible symptoms
- Engine Light ON (or Service Engine Soon Warning Light)
- Engine may not start
P0606 2006 Toyota Camry Description
The Engine Control Module (ECM) continuously monitors its internal memory status, internal circuits, and output signals to the throttle actuator. This selfâcheck insures that the ECM is functioning properly. If any malfunction is detected, the ECM will set the code and illuminate the engine light.The ECM memory status is diagnosed by internal mirroring of the main CPU and the sub CPU to detect Random Access Memory (RAM) errors. The two CPUs also perform continuous mutual monitoring. The ECM illuminates the MIL and sets a DTC if: 1) outputs from the two CPUs are different or deviate from the standards, 2) the signals sent to the throttle actuator deviate from the standards, 3) a malfunction is found in the throttle actuator supply voltage, and 4) any other ECM malfunction is found.
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