AutoCodes – Ford – P0690 2006 Ford Fusion

P0690 2006 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 2006 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 2,171

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 2006 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 2006 Ford Fusion - Electronic Control Module Power Relay Sense Circuit High - AutoCodes.com — P0690 2006 Ford Fusion Code - Electronic Control Module Power Relay Sense Circuit High

What does this mean?

What are the Possible Causes of the DTC P0690 2006 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 2006 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 2006 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 2006 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 2006 Ford Fusion Code

1. What does the OBDII code P0690 mean for a 2006 Ford Fusion?

Code P0690 indicates a problem with the Electronic Control Module (ECM) Power Relay Sense Circuit, specifically that the voltage is higher than expected.

2. What are the common symptoms of P0690 in a 2006 Ford Fusion?

Common symptoms include the engine failing to start, stalling while driving, poor performance, or a lack of power.

3. What causes the P0690 code to be triggered?

The most common causes are a faulty ECM power relay, damaged wiring or connectors in the relay circuit, or a malfunctioning ECM.

4. Can a bad battery cause the P0690 code?

Yes, a weak or failing battery can cause voltage issues that may trigger the P0690 code.

5. How do I diagnose the P0690 code on my 2006 Ford Fusion?

Start by checking the ECM power relay, inspecting the wiring and connectors for damage, and testing the voltage at the relay circuit with a multimeter.

6. Can I drive my 2006 Ford Fusion with the P0690 code?

It is not recommended, as the vehicle might stall suddenly or fail to start, potentially leaving you stranded.

7. How do I fix the P0690 code on a 2006 Ford Fusion?

Repairs may include replacing the ECM power relay, repairing damaged wiring or connectors, or replacing the ECM if it is determined to be faulty.

8. How much does it cost to fix the P0690 code?

The cost depends on the specific issue, but replacing the ECM power relay typically costs around $50-$150, while ECM replacement can cost $500 or more, including labor.

9. Can a blown fuse cause the P0690 code?

Yes, a blown fuse in the ECM power circuit can disrupt the relay function and trigger the code.

10. Do I need special tools to fix the P0690 code?

Basic tools like a multimeter and fuse tester are helpful for diagnostics, but advanced equipment may be needed if ECM reprogramming or replacement is required.