H3 L5-3.7L (2007)
If original equipment tires/wheels are reinstalled, it will be necessary to reset the programming of the PCM to the original specifications.
Tire Type/Pressure Selection
To provide a more accurate function of the Tire Pressure Monitoring System, it is necessary to update the BCM with the correct tire type and pressure
information. The original equipment LT285/75R16 and P265/75R16 (For 2010 MY) tires have a placard inflation pressure of 241 kPa (35 psi), which
must be changed to 206 kPa (30 psi) when switching to the P265/65R18 or P275/55R20 tires. Use the Tech 2(R) and follow the steps listed below to
select the appropriate tire type/pressure:
Important:
This modification is only required on vehicles with Off-Road Chassis Package (RPO ZM6).
For 2006 Model Year
1. Install the scan tool.
2. Turn ignition ON with engine OFF.
3. Enter "Diagnostics" and build vehicle according to model year, vehicle line, etc.
4. Select "Suspension."
5. Select "Tire Pressure Monitoring System."
6. Select "Special Functions."
7. Select "Body Control Module."
8. Select "Tire Type/Pressure Selection."
9. Select P-Metric Standard.
10. Select the front and rear tire pressure as noted on the new vehicle driver door placard label for the accessory wheels/tires.
11. Verify that the selections made are correct and press the enter key. The scan tool will flash "Procedure in Progress", then display "Procedure
Complete."
12. Press the "exit" key to escape.
For 2007 - 2010 Model Year
1. Install the scan tool.
2. Turn ignition ON with engine OFF.
3. Enter "Diagnostics" and build vehicle according to model year, vehicle line, etc.
4. Select "Body."
5. Select Radio Type.
6. Select "Body Control Module."
7. Select "Module Setup."
8. Select: Tire Type/Pressure Selection.
9. Select P-Metric Standard.
10. Select the front and rear tire pressure as noted on the new vehicle driver door placard label for the accessory wheels/tires.
11. Verify that the selections made are correct and press the enter key. The scan tool will flash "Procedure in Progress", then display "Procedure
Complete."
12. Press the "exit" key to escape.
