P1635 2008 Ford Fusion Code - Tire / Axle Ratio Out of Acceptable Range
Quick Answer
The All-Wheel Drive (AWD) system continuously monitors vehicle conditions and automatically adjusts the torque distribution between the front and rear wheels. Common causes include Incorrect tire size, Incorrect axle ratio, Incorrect Vehicle ID block configuration parameters. 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 Incorrect tire size, Incorrect axle ratio, Incorrect Vehicle ID block configuration parameters.
- 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 P1635 2008 Ford Fusion Description
What are the Possible Causes of the DTC P1635 2008 Ford Fusion?
- Incorrect tire size
- Incorrect axle ratio
- Incorrect Vehicle ID block configuration parameters
How to Fix the DTC P1635 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.
Code Tech Notes
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
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the P1635 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 P1635 2008 Ford Fusion code?
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Need Help with the Code?
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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.
Discuss the causes and fixes for P1635 2008 Ford Fusion OBDII Code
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