AutoCodes – Generic – P0612

P0612 Code - Fuel Injector Control Module Relay Control

Quick Answer

The Engine Control Module (ECM) monitors the Fuel Injector Control Module Relay. Common causes include Faulty Fuel Injector Control Module Relay, Fuel Injector Control Module Relay harness is open or short, Fuel Injector Control Module Relay circuit poor electrical connection. Severity is Low - monitor the vehicle and repair when practical. The vehicle can usually be driven if no severe symptoms are present, but symptoms should be checked before extended driving.

What it means: P0612 indicates Fuel Injector Control Module Relay Control.
Common causes: Common causes include Faulty Fuel Injector Control Module Relay, Fuel Injector Control Module Relay harness is open or short, Fuel Injector Control Module Relay circuit poor electrical connection.
Severity: Low - monitor the vehicle and repair when practical.
Can I drive?: The vehicle can usually be driven if no severe symptoms are present, but symptoms should be checked before extended driving.

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Code Popularity 6,506

How popular is this code, among other codes? Low

Repair Importance Level

Low (Monitor) (1 / 3)

Repair Difficulty Level

Intermediate (2 / 3)

What is this?

Table of contents Created and updated by William Orellana on May 01, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
Comments
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Code P0612 Description

The Engine Control Module (ECM) monitors the Fuel Injector Control Module Relay. The ECM sets the OBDII code when the Fuel Injector Control Module Relay is not to factory specifications.

OBDII Code P0612 - Fuel Injector Control Module Relay Control - AutoCodes.com — P0612 Code - Fuel Injector Control Module Relay Control

What does this mean?

What are the Possible Causes of the DTC P0612?

Faulty Fuel Injector Control Module Relay
Fuel Injector Control Module Relay harness is open or short
Fuel Injector Control Module Relay circuit poor electrical connection

How to Fix the DTC P0612?

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 P0612 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.

Need more information about the P0612 code?

Need more information on how to fix the P0612 code? Get Access to Factory Service Manuals

Need Help with the Code?

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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.