| Subject: | Tire Pressures Read 0 After A TPM Relearn |
| Models: | 2004-2006 Cadillac Escalade, Escalade ESV, Escalade EXT |
| 2004-2006 Chevrolet Suburban, Tahoe |
| 2004-2006 GMC Denali, Denali XL, Yukon, Yukon XL |
| 1500 Series Vehicles Only |
The following diagnosis might be helpful if the vehicle exhibits the symptom(s) described in this PI.
Condition/Concern:
You may notice that the Drivers Information Center (DIC) will list all 4 of the tires pressures at 0 PSI after performing a tire pressure sensor learn procedure. You may also notice that the Passengers Door Module (PDM) will read the correct learn value
of the tires.
Recommendation/Instructions:
Anytime a Tire Pressure Sensor learn procedure is performed, the vehicle must be driven at highway speeds for 5 minutes to update the tire pressure values in the Drivers Information Center.
Please follow this diagnostic or repair process thoroughly and complete each step. If the condition exhibited is resolved without completing every step, the remaining steps do not need to be performed.
