Why does my GMC Sierra turn to high heat?

Why does my GMC Sierra turn to high heat?

With the A/C on, the drivers side turns to high heat at intermittent times. When the mileage was low, I’d find a pot hole or large lane marker and the little jolt would turn off the heat. Now we are at full stop, shut it off, remove the key and restart.

Are there heated seats on a 2004 GMC?

2004 GMC: heated seats The driver’s side heat keeps shutting off Hello and welcome to Just answer.com, Super mechanic here. About your vehicle. There has been a service bulletin for that type of concern. It involves a reprogramming of the driver seat module. The dealership (stealership) would have to do that, I hate to say.

When to reprogram driver’s side heat in GMC?

This occurs only with the first activation for the day and works correctly with subsequent activations immediately after the event. These conditions are intermiffent and DTC B3941 may be set. Technicians are to reprogram the driver seat module with an updated software calibration.

What are the parts of a GMC Sierra 2500?

Electrical – Like all vehicles, the Sierra 2500 HD has a lot of electrical equipment on board. It consists of parts like the lamps, antenna, seat belts, starter, heated seats and wipers. You will find these parts and all other electrical parts and components here.

What kind of engine does GMC Sierra 2500HD have?

Mileage: 113,214 miles Body Type: Pickup Color: White Engine: 8 Cyl 6.0 L Description: Used 2004 GMC Sierra 2500HD SLE with RWD, Keyless Entry, Fog Lights, Chrome Wheels, 16 Inch Wheels, Front Bench Seat, and Rear Bench Seat 2004 GMC Sierra 2500HD SLT 18 Photos

With the A/C on, the drivers side turns to high heat at intermittent times. When the mileage was low, I’d find a pot hole or large lane marker and the little jolt would turn off the heat. Now we are at full stop, shut it off, remove the key and restart.

Where was the 2004 GMC Sierra 2500HD last serviced?

Mileage: 184,831 miles Body Type: Pickup Color: Beige Engine: 8 Cyl 6.0 L Accident reported. Purchased on 08/28/04 and owned in MO until 05/14/21. Driven an estimated 14,222 miles/year. Last serviced at 237,923 miles in Aurora, MO on 04/30/21 • Vehicle serviced • Antifreeze/coolant flushed/changed.

Where is the heated seat button on a GMC Sierra?

The button used to control the passenger’s heated seat is located on the passenger’s door panel. To heat the entire seat, press the horizontal button. Press the button to cycle through the temperature settings of high, medium, and low. The indicator light will glow to indicate the level of heat selected.