P1635 1998 Ford F150 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 1998 Ford F150 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 1998 Ford F150 Description
What are the Possible Causes of the DTC P1635 1998 Ford F150?
- Incorrect tire size
- Incorrect axle ratio
- Incorrect Vehicle ID block configuration parameters
How to Fix the DTC P1635 1998 Ford F150?
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 P1635 1998 Ford F150 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 P1635 1998 Ford F150 Code
1. What are the common symptoms of OBDII code P1635 on a 1998 Ford F150 related to the Tire/Axle Ratio Out of Acceptable Range?
The common symptoms include issues with the vehicle's speedometer, ABS system, cruise control, and transmission shifting.
2. What can cause the OBDII code P1635 in a 1998 Ford F150 indicating Tire/Axle Ratio Out of Acceptable Range?
This code is typically triggered by a mismatch between the tire size and axle ratio programmed into the vehicle's computer, often due to aftermarket modifications or changes in tire size.
3. How can I diagnose the OBDII code P1635 on my 1998 Ford F150 related to the Tire/Axle Ratio Out of Acceptable Range?
Diagnosing this code involves checking the tire size, axle ratio, and speed sensor readings to confirm the discrepancy causing the error.
4. Can I drive my 1998 Ford F150 with the OBDII code P1635 indicating Tire/Axle Ratio Out of Acceptable Range?
While the vehicle may still be drivable with this code, it is recommended to address the issue promptly to prevent potential problems with speedometer accuracy and other systems.
5. What is the repair process for resolving the OBDII code P1635 on a 1998 Ford F150 related to the Tire/Axle Ratio Out of Acceptable Range?
Repair typically involves reprogramming the tire size and axle ratio settings in the vehicle's computer to match the actual specifications of the vehicle.
6. Will resetting the OBDII code P1635 on a 1998 Ford F150 solve the issue related to the Tire/Axle Ratio Out of Acceptable Range?
Simply clearing the code may temporarily eliminate the warning, but the underlying cause of the mismatch between tire size and axle ratio will need to be addressed for a permanent solution.
7. Are there any specific tools or equipment needed to fix the OBDII code P1635 on a 1998 Ford F150 concerning the Tire/Axle Ratio Out of Acceptable Range?
Having access to an OBDII scanner capable of reading and clearing codes, as well as the necessary software to adjust the vehicle's tire size and axle ratio settings, will be helpful for the repair process.
8. How can I prevent the OBDII code P1635 from reoccurring on my 1998 Ford F150 due to the Tire/Axle Ratio Out of Acceptable Range?
To prevent the code from coming back, ensure that any modifications made to the vehicle's tire size or axle ratio are accurately reflected in the vehicle's computer system.
9. Is the OBDII code P1635 affecting the performance of my 1998 Ford F150 related to the Tire/Axle Ratio Out of Acceptable Range?
While the code itself may not directly impact performance, it can lead to inaccuracies in speed readings and affect the operation of certain vehicle systems, making it important to address the issue.
10. Can a mechanic or dealership assist with fixing the OBDII code P1635 on a 1998 Ford F150 indicating Tire/Axle Ratio Out of Acceptable Range?
Yes, a professional mechanic or dealership with the necessary diagnostic tools and expertise can help diagnose and repair the issue related to the OBDII code P1635 on your Ford F150.
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