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P0607 Toyota

P0607 Toyota - Control Module Performance

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P0607 Toyota Comments |  Add Comment
Possible causes
- Faulty Engine Control Module (ECM)
- Engine Control Module (ECM) Harness power supply circuit is open or shorted
- Engine Control Module (ECM) Programming
Help with Possible causes What does this mean?
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.

There is a factory service bulletin for the following Toyota models:

2005 Toyota Corolla
2006 Toyota Corolla
2007 Toyota Corolla
2005 Toyota Matrix
2006 Toyota Matrix
2007 Toyota Matrix
2005-2007 Toyota Corolla, Matrix Factory Service Bulletin OBDII code P0607
Help with Tech Notes What does this mean?
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
P0607 Toyota 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.

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.

P0607 Toyota Information for specific Toyota models
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TOYOTA Technical Service Bulletins for P0607 code
2003 TOYOTA CAMRY Engine And Engine Cooling:engine Details
2003 TOYOTA CAMRY SOLARA Engine And Engine Cooling:engine Details
2004 TOYOTA CAMRY Engine And Engine Cooling:engine Details
2004 TOYOTA CAMRY SOLARA Engine And Engine Cooling:engine Details
2003 TOYOTA CAMRY 061000 Engine And Engine Cooling:engine Details
More Bulletins Help with Technical Service Bulletins What does this mean?
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