Engine-Codes - Generic - P1065

P1065 Code - ECM Power Supply Circuit

- Code Popularity: 18,742 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
Table of contents

|What are the Possible Causes of the P1065 Code?

  • Faulty Engine Control Module (ECM)
  • Engine Control Module (ECM) harness power supply circuit is open or shorted
  • Engine Control Module (ECM) harness ground supply circuit is open or shorted

|How to Fix the P1065 Code?

Start by checking 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's pins.

|What is the cost to diagnose the P1065 code?

Labor: 1.0

The cost to diagnose the P1065 code is 1.0 hour of labor. The auto repair's diagnosis time and labor rates vary by location, vehicle's make and model, and even your engine type. Most auto repair shops charge between $75 and $150 per hour.

|When is the P1065 code detected?

Engine Control Module (ECM) back-up Random Memory Access (RAM) system does not function properly.

|What are P1065 code possible symptoms?

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

|What Does the P1065 Code Mean?

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 DTC memory, the air-fuel ratio feedback compensation value memory, the idle air volume learning value memory, etc.

ECM Power Supply Circuit

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|P1065 code information for specific makes

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