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AutoCodes - Generic - P1065

P1065 Code - ECM Power Supply Circuit

- Code Popularity: 29,158 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
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What are the Possible Causes of the DTC P1065?

NOTE: The causes shown may not be a complete list of all potential problems, and it is possible that there may be other causes.
  • Faulty Engine Control Module (ECM)
  • Engine Control Module harness power supply circuit is open or shorted
  • Engine Control Module harness ground supply circuit is open or shorted
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How to Fix the DTC P1065?

Review the 'Possible Causes' mentioned above and visually examine the corresponding wiring harness and connectors. Ensure to check for any damaged components and inspect the connector pins for signs of being broken, bent, pushed out, or corroded.

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What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P1065 code, it typically requires 1.0 hour of labor. The specific diagnosis time and labor rates at auto repair shops can differ based on factors such as the location, make and model of the vehicle, and even the engine type. It is common for most auto repair shops to charge between $75 and $150 per hour.

What are Code Possible Symptoms?

  • Engine Light ON (or Service Engine Soon Warning Light)

Code P1065 Description

Battery voltage is supplied to the Engine Control Module (ECM) even when the ignition switch is turned OFF for the ECM memory function of the Diagnostic Trouble Code (DTC) memory, the air-fuel ratio feedback compensation value memory, the idle air volume learning value memory, etc. The DTC will be set when the ECM back-up Random Memory Access (RAM) system does not function properly.

OBDII Code P1065 - ECM Power Supply Circuit - AutoCodes.com
P1065 Code - ECM Power Supply Circuit

Need More Information on the Code?

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Code P1065 comments

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