| Subject: | Tire Pressure Monitor Fault With Tire Pressure Display of Zero On The IP |
| Models: | 2006 Buick Rainier |
| 2006 Chevrolet Trailblazer and Trailblazer EXT |
| 2006 GMC Envoy, Envoy XL, Envoy XUV and Envoy Denali |
The following diagnosis might be helpful if the vehicle exhibits the symptom(s) described in this PI.
Condition/Concern:
After replacing and programming or reprogramming the Lift Gate Module (LGM), it may me noted that the DIC will display a low tire pressure fault. It may also be noted when scrolling through the DIC, all tire pressures read 0 psi. This is due
to a software concern in the TIS Application and the LGM. Tire Pressure Monitor for the mid-sized utilities in only available on the 2006 Chevrolet Trailblazer SS. No other model listed above comes equipped with the Tire Pressure Monitor feature. This will only
affect vehicles built prior to November 22nd, 2005.
Recommendation/Instructions:
If this fault is noted after replacing and programming or reprogramming the LGM, contact Techline at 1-800-828-6860 to have a archive file created for this vehicle.
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.
