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Home >> Ford >> 2003 >> Cutaway 7.3 F >> Repair and Diagnosis >> External Pages >> Different car >> Section 2050 (Engine Controls - Diagnostic Subroutines - 6.4L 99R Diesel -- F250-F550 Super Duty) >> Diagnostic Trouble Code (DTC) Charts and Descriptions >> P1635 - Tire/Axle Out Of Acceptable Range

P1635 - Tire/Axle Out Of Acceptable Range

WARNING: This page is about a different car, the 2008 Ford Pickup, 2008 Ford F550 Super Duty, 2008 Ford F450 Super Duty, and 2008 Ford Cab & Chassis. However, it is still accessible from the selected car via links, so may be relevant.
P1635 - TIRE/AXLE OUT OF ACCEPTABLE RANGE

Description:  This DTC indicates the tire and axle information contained in the vehicle ID (VID) block does not match the vehicle hardware.
Possible Causes: 
  • Incorrect tire size
  • Incorrect axle ratio
  • Incorrect VID configuration parameters
Diagnostic Aids:  Using the scan tool, view the tire and axle parameters within the VID. They must match the vehicle hardware.
Application    Key On Engine Off  Key On Engine Running  Continuous Memory 
All   Reprogram or update the calibration. Check for other DTCs or drive symptoms for further action. Make sure to check for aftermarket performance products before installing a new PCM. If it is necessary to install a new PCM, refer toFLASH ELECTRICALLY ERASABLE PROGRAMMABLE READ ONLY MEMORY (EEPROM) .
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