Recent content by pwol1962

I resolved the non-operable HVAC on our 03 Suburban today. I disconnected the battery for approximately 1 hour while I was doing another task. I reconnected the battery and when I started the truck the HVAC powered up. I suspect that replacing the battery several days earlier caused a voltage...

I replaced the battery on our 03 suburban and now the HVAC control unit will not illuminate. None of the switches or controls work. I have checked all the HVAC fuses under the hood and on the LH side of the instrument panel and they all checked good. Hot air exits the dash vents only while...

P0171 & P0174 Lean Banks 1 & 2 Thank you for the great recommendations. In addition to having the codes P0171 & P0174 I also had the stabilitrac off intermittent message, and a hard shift from 1st to 2nd when the stabilitrac message was displayed on the information display on our 07 LTZ...

Stabilitrac Off Message, Check Engine Light On & Hard Shift From 1st to 2nd I am posting how I resolved the stabilitrac off intermittent message, hard shift from 1st to 2nd when the stabilitrac message was displayed on the information display and the check engine indicator is set on our 07 LTZ...