B0413 gmc

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Low reference, 5V reference, position signal, and 2 control circuits enable the actuator to operate. The control circuits use either a ground or 12 V value to coordinate the actuator movement. When the actuator is at rest, both control circuits have a value of 12 V. In order to move the actuator, the HVAC control module grounds one of the control circuits while providing the other with 12 V. The HVAC control module reverses the polarity of the control circuits to move the actuator in the opposite direction. When the actuator shaft rotates, the potentiometer's sliding contact changes the door position signal between V. When the module sets a commanded, or targeted, value, one of the control circuits is grounded, and the other is supplied 12 V.

B0413 gmc

Log in. Sign up. Jump to Latest Follow. JavaScript is disabled. For a better experience, please enable JavaScript in your browser before proceeding. Joined Dec 22, I have CJ2; C67 is which system? Joined Jun 28, According to the ordering guide, C67 is: Air conditioning, single-zone manual front climate control 1 - Will be substituted with CJ2 automatic tri-zone climate control when U42 rear seat DVD entertainment system is ordered. Needless to say, CJ2 is the automatic tri-zone system. Joined Jul 9, If anyone can find a copy of TSB , it would be most appreciated

Troubleshooting accelerometer installations Accelerometer based monitoring systems can be tested to verify proper installation and b0413 gmc. As the actuator shaft rotates, the changing position signal is sent to the module.

From buying research to owner support, join 1. Hey guys my ac recently started acting up on my silverado.. Auto ac.. Doesn't cool as it should. Got the ac system vacuumed and recharged and didnt change anything.

Log in. Sign up. JavaScript is disabled. For a better experience, please enable JavaScript in your browser before proceeding. My air pump was a bit corroded so I replaced that. I also had a hole in my resonator and replaced that.

B0413 gmc

Log in. Sign up. JavaScript is disabled. For a better experience, please enable JavaScript in your browser before proceeding. I stopped to get a sandwich, started my Acadia from inside the store. Came out, started driving and noticed the heater was blowing "cold" air, even though the setting was on 90? The passenger side was blowing hot air at the normal 90 temp. I stopped, turned the Acadia off, started again, no go Hot air still on the passenger side. Anyone else experienced this?

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Checks and Adjustments The transmission requires regular maintenance intervals if it is to continue to operate without failure. Share More sharing options Important: Always perform the Diagnostic System Check - Vehicle prior to using this diagnostic procedure. Operating manual. By arundelglass Started Yesterday at PM. To make this website work, we log user data and share it with processors. Will they be the right parts who knows? Test for less than 1 V between the signal circuit and ground. By using this site, you agree to our Terms of Use. Enough GMC, enough! You ve got skill.

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Seems like the ac is a lil cooler when the fan is on low and not as cool on a higher setting. The codes provide below are generic. I agree. Test for less than 2 ohms in each control circuit end to end. By using this site, you agree to our Terms of Use. Combination meter warning reset switch warning reset More information. This Troubleshooting Guide covers the electric coolant valve and control. By arundelglass Started Yesterday at PM. Log in. Diagnosing Hydraulic Problems 1 Problems A pressure test is a key check when you need to determine if a problem is caused by something that is inside or outside of the transmission.