AutoCodes – Generic – P068A

P068A Code - ECM/PCM Power Relay De-Energized Performance - Too Early

Quick Answer

The Engine Control Module (ECM) monitors the power inputs. Common causes include Faulty Engine Control Module (ECM) relay, Faulty ECM, ECM harness is open or shorted. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

What it means: P068A indicates ECM/PCM Power Relay De-Energized Performance - Too Early.
Common causes: Common causes include Faulty Engine Control Module (ECM) relay, Faulty ECM, ECM harness is open or shorted.
Severity: High - diagnose this code as soon as possible.
Can I drive?: Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

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Code Popularity 62,401

How popular is this code, among other codes? Medium

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

Table of contents Created and updated by William Orellana on May 05, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
Comments
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Code P068A Description

The Engine Control Module (ECM) monitors the power inputs. The ECM sets the OBDII code when the ECM remains powered up after the ignition switch has been turned OFF.

OBDII Code P068A - ECM/PCM Power Relay De-Energized Performance - Too Early - AutoCodes.com — P068A Code - ECM/PCM Power Relay De-Energized Performance - Too Early

What does this mean?

What are the Possible Causes of the DTC P068A?

Faulty Engine Control Module (ECM) relay
Faulty ECM
ECM harness is open or shorted
ECM circuit poor electrical connection

How to Fix the DTC P068A?

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

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P068A code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.

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About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.