AutoCodes – Ford – P0689 2011 Ford Fusion

P0689 2011 Ford Fusion Code - Electronic Control Module Power Relay Sense Circuit Low

Quick Answer

The Powertrain Control Module (PCM) monitors the voltage on the Ignition Switch Position Run (ISP-R) and the Fuel Injector Power Monitor (INJPWRM) circuits. Common causes include Weak battery, Low voltage while cranking, Faulty Powertrain Control Module (PCM) relay. 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: P0689 2011 Ford Fusion indicates Electronic Control Module Power Relay Sense Circuit Low.
Common causes: Common causes include Weak battery, Low voltage while cranking, Faulty Powertrain Control Module (PCM) relay.
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 2,238

How popular is this code, among other codes? Low

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
FAQs
Comments
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Code P0689 2011 Ford Fusion Description

The Powertrain Control Module (PCM) monitors the voltage on the Ignition Switch Position Run (ISP-R) and the Fuel Injector Power Monitor (INJPWRM) circuits. This DTC sets when the voltage on the ISP-R and the INJPWRM circuit voltages do not correspond for a calibrated period of time.

OBDII Code P0689 2011 Ford Fusion - Electronic Control Module Power Relay Sense Circuit Low - AutoCodes.com — P0689 2011 Ford Fusion Code - Electronic Control Module Power Relay Sense Circuit Low

What does this mean?

What are the Possible Causes of the DTC P0689 2011 Ford Fusion?

Weak battery
Low voltage while cranking
Faulty Powertrain Control Module (PCM) relay
Blown PCM fuse
Faulty PCM
PCM harness is open or shorted
PCM circuit poor electrical connection

How to Fix the DTC P0689 2011 Ford Fusion?

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 P0689 2011 Ford Fusion 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 P0689 2011 Ford Fusion 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.

Frequently Asked Questions about P0689 2011 Ford Fusion Code

1. What are the common symptoms of OBDII code P0689 in a 2011 Ford Fusion?

The common symptoms of code P0689 in a 2011 Ford Fusion include the check engine light illuminating on the dashboard, engine stalling or hesitation, and difficulty starting the vehicle.

2. What does the OBDII code P0689 for a 2011 Ford Fusion indicate?

Code P0689 indicates a problem with the Electronic Control Module (ECM) Power Relay Sense Circuit being lower than the normal operating range.

3. What are the possible causes of OBDII code P0689 in a 2011 Ford Fusion?

Possible causes of code P0689 in a 2011 Ford Fusion include a faulty ECM power relay, damaged wiring or connectors in the power relay sense circuit, or a malfunctioning ECM.

4. How can I diagnose the issue related to OBDII code P0689 in my 2011 Ford Fusion?

To diagnose the issue related to code P0689, you can use a diagnostic scanner to retrieve the trouble codes, inspect the ECM power relay and related wiring, and perform a continuity test on the power relay sense circuit.

5. Can I drive my 2011 Ford Fusion with OBDII code P0689?

It is not recommended to drive your 2011 Ford Fusion with code P0689 present as it can lead to further damage to the electronic control system and potential safety issues.

6. How can I repair OBDII code P0689 in my 2011 Ford Fusion?

Repairing code P0689 in a 2011 Ford Fusion involves replacing the faulty ECM power relay, repairing any damaged wiring or connectors in the power relay sense circuit, and clearing the trouble codes with a diagnostic scanner.

7. Is it safe to reset the OBDII code P0689 in a 2011 Ford Fusion and continue driving?

Resetting the code without addressing the underlying issue is not recommended as the problem may persist, leading to potential safety hazards and engine performance issues.

8. Can a DIY enthusiast fix the OBDII code P0689 in a 2011 Ford Fusion?

While some DIY enthusiasts may be able to address simple issues related to code P0689, complex electrical repairs involving the ECM and power relay may require professional expertise.

9. Will OBDII code P0689 cause permanent damage to my 2011 Ford Fusion if left unattended?

Leaving code P0689 unattended in your 2011 Ford Fusion can potentially cause permanent damage to the ECM and other electronic components, leading to costly repairs in the future.

10. How much can I expect to pay for repairing OBDII code P0689 in a 2011 Ford Fusion at a repair shop?

The cost of repairing code P0689 in a 2011 Ford Fusion at a repair shop can vary depending on the extent of the issue, but it may range from $200 to $500 including parts and labor.