HVAC Inoperative After SPS Programming - keywords a/c air control controller display head program

The following diagnosis might be helpful if the vehicle exhibits the symptom(s) described in this PI.

HVAC inoperative after SPS programming. This is caused by a concern with the current software calibration.

At this time it is necessary to contact Techline for programming assistance. This software calibration concern will be resolved in the near future. This PI will be updated when the revised calibration is released.

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.