P0689 2007 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 2007 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.
Code P0689 2007 Ford Fusion Description
What are the Possible Causes of the DTC P0689 2007 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 2007 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 2007 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.
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Frequently Asked Questions about P0689 2007 Ford Fusion Code
1. What are the common symptoms of OBDII code P0689 on a 2007 Ford Fusion?
The common symptoms include engine stalling, rough idling, poor acceleration, and in some cases, the vehicle may not start.
2. What does the OBDII code P0689 on a 2007 Ford Fusion mean?
The code P0689 indicates an issue with the Electronic Control Module (ECM) Power Relay Sense Circuit being low, which can affect the ECM's ability to properly control the engine functions.
3. What are the possible causes of OBDII code P0689 on a 2007 Ford Fusion?
Possible causes include a faulty ECM power relay, damaged wiring in the power relay circuit, a malfunctioning ECM, or a poor connection in the power relay sense circuit.
4. How can I diagnose the OBDII code P0689 on my 2007 Ford Fusion?
Diagnosing this code involves checking the power relay, inspecting the wiring for any damage, testing the ECM, and verifying the connections in the power relay sense circuit.
5. Can I still drive my 2007 Ford Fusion with the OBDII code P0689 present?
It is not recommended to drive the vehicle with this code present, as it can lead to potential engine performance issues and further damage if left unresolved.
6. How can I repair OBDII code P0689 on my 2007 Ford Fusion?
Repairing this code may involve replacing the faulty ECM power relay, repairing any damaged wiring, replacing the ECM if necessary, and ensuring all connections are secure and functioning properly.
7. Will resetting the OBDII code P0689 on my 2007 Ford Fusion make it go away permanently?
Simply resetting the code may temporarily turn off the check engine light, but if the underlying issue causing the code is not addressed, it is likely to reappear.
8. How much does it typically cost to repair OBDII code P0689 on a 2007 Ford Fusion?
The cost of repairing this code can vary depending on the exact cause of the issue, but it may range from $100 to $500 or more, including parts and labor.
9. Can a DIY enthusiast fix OBDII code P0689 on a 2007 Ford Fusion?
Depending on your experience and tools available, you may be able to diagnose and repair this code yourself by following repair guides and using appropriate diagnostic equipment.
10. How urgent is it to address OBDII code P0689 on my 2007 Ford Fusion?
It is recommended to address this code as soon as possible to prevent further damage to the engine and ensure optimal performance of your vehicle.
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