For Shop Owners

P0606 FORD - ECM Internal Communication Error

Repair Importance Level: 3/3
Repair Difficulty Level: 3/3 What does this mean?

Possible causes

  • Engine Control Module (ECM) Harness power supply circuit is open or shorted
  • Engine Control Module (ECM) Programming
  • Faulty Engine Control Module (ECM)
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.
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

P0606 FORD 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.
OBDII Code P0606 Ford - ECM Internal Communication Error -

P0606 FORD Information for specific Ford models

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P0606 FORD Comments

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Any information is appreciated. Thanks
Repair Importance Level: 3
1=Low 2=Medium 3=High
Repair Difficulty Level: 3
1=Easy 2=Moderate 3=Hard

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Posted and Edit by 06-14-2015

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