Diagnostic Test
WARNING: This page is about a different car, the 2015 RAM 3500 HD and 2015 RAM 2500 HD. However, it is still accessible from the selected car via links, so may be relevant.
TIRE PRESSURE VALUES
NOTE:
A false low pressure warning can take place if the Tire Pressure Monitoring system fails localization. This will result in the system defaulting to the value of 80 psi for all TPM sensor locations. Perform the TPM Diagnostic Verification Test standard procedure to correct for this condition.
- With the scan tool, select "RFH", "Data Display", "Tire Placard Pressure - Rear" under each of the TPM Sensor Identification locations.
- Compare the pressure values with the "Tire Inflation Pressure (Placard) Label located on the driver's side B-Pillar.
- With the scan tool, select "RFH", "Miscellaneous Functions", "Update Pressure Threshold" and follow the instructions on the scan tool.
- Enter the front and rear placard pressure values as seen on the Tire Inflation Pressure (Placard) Label.
Do the tire pressure values match the Placard Values?
Yes
- Test complete.
- Perform the TPM SENSOR VERIFICATION TEST. Refer to STANDARD PROCEDURE .
No
- Repeat this test.
- Perform the TPM SENSOR VERIFICATION TEST. Refer to STANDARD PROCEDURE .