Engine-Codes - Generic - P0605

P0605 Code - Control Module Fault

- Code Popularity: 34,115 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
Table of contents
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What are the Possible Causes of the DTC P0605?

NOTE: The causes shown may not be a complete list of all potential problems, and it is possible that there may be other causes.
  • Engine Control Module (ECM) may be faulty
  • ECM harness power supply circuit is open or shorted
  • ECM harness ground circuit is open or shorted
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How to Fix the DTC P0605?

Check the 'Possible Causes' listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector pins.

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What is the Cost to Diagnose the Code?

Labor: 1.0

The cost to diagnose the P0605 code is 1.0 hour of labor. The diagnosis time and labor rates at auto repair shops vary depending on the location, make and model of the vehicle, and even the engine type. Most auto repair shops charge between $75 and $150 per hour.

What are Code Possible Symptoms?

  • Engine Light ON (or Service Engine Soon Warning Light)
  • Engine may not start

What Does the P0605 Code Mean?

The Engine Control Module (ECM) continuously monitors its own internal memory status, internal circuits, and output signals transmitted to the throttle actuator. This self-check insures that the Engine Control Module is functioning properly. The Diagnostic Trouble Code (DTC) will set when the Engine Control Module Read Only Memory (ROM) has been corrupted.

P0605 Code - Control Module Fault

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Code P0605 Information for Specific Makes

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