![]() And I dont get off work before they close. Which i cant, due to I need to update the turner and need to call them for that. It's for the bully dog turner from the previous owner which I'm trying to return to stock. But those mainly come up when the "add a fuse circuit" moves enough to loose connection. No codes in system besides p0463 and once in awhile I'll get p1621 and p0381. I didn't see no visible damage to any of the harness from rubbing. I dont know if the fuel gauge reading issue and the cluster delayed turning on is related to the ac issue or not. And the new one has always read -40 when the blower is off. I replaced it due to a few lights being out for the dual climate knobs. Wiring issues throughout system.) Before I replaced the hvac control out I did notice that the ac compressor would kick on when I had it on defrost for the winter. The description the shop gave me is as follows (found no power to the ac compressor- can bypass bcm to make it work but bcm not allowing power through- ambient temp sensor reading -40 degrees. Besides wiring issues throughout the system. The shop I took it to, to get it fixed spent 3 hours trying to get it working and couldn't tell me what the issue is. EZ-Lift & Lower Tailgate Front License Plate Kit Heated door mirrors Heated. But can jump the relay to make the compressor kick on. Sculpted in Iridium Metallic, our 2016GMCSierra 2500DenaliCrew Cab. ![]() Hey I know it's a old post, but any luck figuring out the issue? My 03 duramax has no power going to the compressor. This enables the A/C compressor to turn back ON. The switch will then close when A/C low pressure side reaches 275 kPa (40 psi). This prevents the A/C compressor from operating. The switch will open when the A/C low side pressure reaches 124 kPa (18 psi). The HVAC control module applies 12 volts to the A/C low pressure switch signal circuit. The A/C low pressure switch protects the A/C system from a low pressure condition that could damage the A/C compressor or cause evaporator icing. The clutch will be enabled after the pressure decreases to less than 1578 kPa (229 psi). ![]() The PCM disables the compressor clutch if the A/C pressure is more than 2957 kPa (429 psi). The A/C refrigerant pressure sensor protects the A/C system from operating when an excessively high pressure condition exists. The PCM converts the voltage signal to a pressure value. Select colors, packages and other vehicle options to get the MSRP, Book Value and invoice price for the 2016 Sierra 1500 Denali 4x4 Crew Cab 6.6 ft. When the A/C refrigerant pressure is high, the signal value is near 5 volts. When the A/C refrigerant pressure is low, the signal value is near 0 volts. The A/C pressure signal can be between 0-5 volts. A 5-volt reference, low reference, and signal circuits enable the sensor to operate. The cord is in the engine compartment, on the passenger side near the battery, for 8-cylinder pickups and vans.' 2023 LZO Sierra 4x4 crew 6.5 box. Open the hood and unwrap the electrical cord. The A/C refrigerant pressure sensor is a 3-wire piezoelectric pressure transducer. 3 (Edited) From the 2016 Duramax owners manual supplement: (the diesel supplement) '2. ![]()
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