AutoCodes – Ford – P0690 2008 Ford Fusion

P0690 2008 Ford Fusion Code - Electronic Control Module Power Relay Sense Circuit High

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: P0690 2008 Ford Fusion indicates Electronic Control Module Power Relay Sense Circuit High.
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 2,534

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 P0690 2008 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 P0690 2008 Ford Fusion - Electronic Control Module Power Relay Sense Circuit High - AutoCodes.com — P0690 2008 Ford Fusion Code - Electronic Control Module Power Relay Sense Circuit High

What does this mean?

What are the Possible Causes of the DTC P0690 2008 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 P0690 2008 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 P0690 2008 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 P0690 2008 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 P0690 2008 Ford Fusion Code

1. What are the common symptoms of OBDII code P0690 on a 2008 Ford Fusion?

- Common symptoms include the vehicle stalling or not starting, reduced engine performance, and the Check Engine Light illuminating.

2. What does the OBDII code P0690 "Electronic Control Module Power Relay Sense Circuit High" mean for a 2008 Ford Fusion?

- This code indicates that the power relay sense circuit for the Electronic Control Module (ECM) is detecting a high voltage condition.

3. What are the possible causes of OBDII code P0690 on a 2008 Ford Fusion?

- The code can be triggered by issues with the ECM power relay, faulty wiring or connectors in the power relay sense circuit, or a malfunctioning ECM.

4. How can I diagnose the OBDII code P0690 on my 2008 Ford Fusion?

- Diagnosis typically involves checking the power relay and related wiring for faults, testing the ECM power relay, and inspecting the ECM for any signs of damage.

5. Can I still drive my 2008 Ford Fusion with OBDII code P0690?

- It is not recommended to drive the vehicle with this code present, as it can lead to further damage or safety issues. It's best to address the underlying problem promptly.

6. How can I repair OBDII code P0690 on a 2008 Ford Fusion?

- Repair options may include replacing the ECM power relay, repairing any damaged wiring or connectors, or replacing the ECM if it's found to be faulty.

7. Is it possible to reset OBDII code P0690 on a 2008 Ford Fusion without fixing the issue?

- Resetting the code without addressing the underlying problem is not recommended, as the issue will likely persist and could potentially worsen over time.

8. Are there any common mistakes to avoid when dealing with OBDII code P0690 on a 2008 Ford Fusion?

- Avoid overlooking basic checks like inspecting fuses, relays, and wiring connections before moving on to more complex diagnostic and repair procedures.

9. How much does it typically cost to fix OBDII code P0690 on a 2008 Ford Fusion?

- The cost of repair can vary depending on the exact cause of the issue, but it may range from a few hundred to a thousand dollars, including parts and labor.

10. Can a DIY enthusiast with basic automotive knowledge fix OBDII code P0690 on a 2008 Ford Fusion?

- While some DIYers may be able to address simpler causes like faulty relays or wiring, diagnosing and repairing complex ECM issues may require professional expertise.