WebMay 31, 2024 · Mode selector straight up and temp straight up is what worked for me. I don't know if that matters but I know the fan needs to be off. This only works for recalibrating the mode, recirc and blend doors. If any of the actuators are bad it won't work. It's just meant for the times when the battery has been disconnected or you have replaced one or ... WebOct 20, 2024 · The heater may stop working in GMC Sierra 1500 due to low coolant level or air in the cooling system, clogged heater core, bad thermostat, faulty blend door …
GMC Sierra 2500 HD heater not working - causes and diagnosis
WebMay 13, 2024 · Labor: 1.0. The cost of diagnosing the P0155 GMC code is 1.0 hour of labor. The auto repair labor rates vary by location, your vehicle's make and model, and even your engine type. Most auto repairs shops charge between $75 and $150 per hour. WebThe heater mode actuator in this truck was making noise every time the pick-up was started and whenever the heater mode switches were moved. It didn't seem to be working right. cabinetry hamilton
How To Diagnose A P0135 -Heater Performance Bank …
WebActive Thermal Management is a GM engine technology that uses targeted cooling to improve engine performance. See GM Active Thermal Engine Management details. WebDec 18, 2008 · This item: ACDelco GM Original Equipment 15-73952 Heating and Air Conditioning Panel Mode Door Actuator. $54.63. Ships from and sold by Amazon.com. HVAC Blend Door Actuator - Replaces 89018365, 604-106, 52402588 - Compatible with Chevrolet, Chevy, GMC 1994-2012 - Silverado 1500 and 2500, Tahoe, Sierra - HVAC … WebOct 29, 2024 · Low-voltage battery is a possible cause of the P0155 code. Code P0155 is part of a family of codes, listed as follows: P0141 – Sensor Heater Circuit Bank 1 Sensor 2; P0161 – Sensor Heater Circuit Bank 2 … clsi meeting materials