P1635 2008 Ford Fusion Code - Tire / Axle Ratio Out of Acceptable Range
Quick Answer
The P1635 code for a 2008 Ford Fusion indicates that the tire or axle ratio is out of an acceptable range. Common causes include Faulty wheel speed sensors, Damaged ABS system components, Incorrect tire size. 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
- P1635 2008 Ford Fusion indicates Tire / Axle Ratio Out of Acceptable Range.
- Common causes
- Common causes include Faulty wheel speed sensors, Damaged ABS system components, Incorrect tire size.
- 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 P1635 2008 Ford Fusion Description
The P1635 code for a 2008 Ford Fusion indicates that the tire or axle ratio is out of an acceptable range. This means that there is an inconsistency between the speed of the tires and the axle ratio of the vehicle. The axle ratio refers to the ratio of the number of revolutions the driveshaft makes to the number of revolutions the wheels make. When this ratio is out of range, it can lead to issues with the vehicle's performance, including compromised handling, acceleration, and fuel efficiency.
Common Causes of P1635 2008 Ford Fusion
- Faulty wheel speed sensors
- Damaged ABS system components
- Incorrect tire size
- Issues with the differential
- Wiring or connection issues in the ABS system
Symptoms of P1635 2008 Ford Fusion
- ABS warning light illuminated on the dashboard
- Traction control system engaging unexpectedly
- Vehicle experiencing difficulty accelerating
- Uneven tire wear
- Increased fuel consumption
How to Fix P1635 2008 Ford Fusion
- Diagnose the issue using a diagnostic scanner to pinpoint the exact cause of the code.
- Inspect the wheel speed sensors and ABS system components for any signs of damage or malfunction.
- Check the tire size and ensure it matches the manufacturer's specifications.
- Test the differential for any issues and repair or replace as necessary.
- Repair any wiring or connection issues in the ABS system to ensure proper communication between components.
Cost to Fix P1635 2008 Ford Fusion
The typical repair costs for addressing a P1635 code on a 2008 Ford Fusion can range from $200 to $600, including parts and labor. However, specific diagnosis time and labor rates at auto repair shops can vary based on factors such as location, vehicle make and model, and engine type. It's recommended to check with local shops for a more accurate estimate. Labor rates typically range between $80 and $150 per hour, with rates potentially higher in metropolitan areas or at dealerships, and lower at independent shops.
Tech Notes for P1635 2008 Ford Fusion
After a new Powertrain Control Module (PCM) has been installed, the Vehicle Identification (VID) block must be programmed into the PCM.
There is a Factory Service Bulletin for the 2008 Ford Fusion
2008 Ford Fusion Factory Service Bulletin OBDII Code P1635
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Frequently Asked Questions about P1635 2008 Ford Fusion Code
What does the OBDII code P1635 mean for a 2008 Ford Fusion?
The OBDII code P1635 indicates that the tire or axle ratio is out of the acceptable range, which can affect the vehicle's performance and fuel efficiency.
What are common symptoms associated with the P1635 code?
Common symptoms include the illumination of the check engine light, abnormal speedometer readings, and potential issues with traction control or stability control systems.
What could cause the P1635 code to trigger in my Ford Fusion?
Causes can include incorrect tire sizes, a malfunctioning wheel speed sensor, a faulty axle, or a software issue in the vehicle's control module.
Can I drive my Ford Fusion with the P1635 code?
While it may be drivable, continuing to drive with this code may lead to further issues, including reduced performance and potential damage to the drivetrain.
How can I diagnose the P1635 code?
Start by checking the tire sizes to ensure they match the manufacturer's specifications. Then, inspect the wheel speed sensors and examine the axle for any damage or wear.
What repairs are typically needed to fix the P1635 code?
Repairs may involve adjusting or replacing tires to the correct size, replacing faulty wheel speed sensors, or reprogramming the vehicle's control module if necessary.
Is it possible for the P1635 code to be a temporary issue?
Yes, if the code is caused by a transient issue such as a temporary wheel slip, it may clear itself after correcting the driving conditions. However, it’s wise to investigate further.
How can I reset the P1635 code after repairs?
You can reset the P1635 code by using an OBDII scanner to clear the fault code or by disconnecting the vehicle's battery for a short period.
Should I consult a professional mechanic for the P1635 code?
If you're unsure about diagnosing or fixing the issue, or if the symptoms persist, it’s advisable to seek help from a professional mechanic for accurate diagnosis and repair.
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