Question about 2003 GMC Yukon Denali

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Gauges wont work when car first turned on, no driver display, heated seats turn off when gauges finally turn on, temperature control for front seats blows cold when set at or under 85 degrees. any ideas? is there a body control module?

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  • GMC Master
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The Instrument Cluster in your Vehicle has known problems.... It sounds like you have multiple electrical issues.... Tackle one Issue at a time.

Posted on Feb 13, 2014

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6ya6ya
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Posted on Jan 02, 2017

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jsmes1027
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SOURCE: 2005 GMC Yukon Denali XL - Climate Control issue-

Are you aware of any codes that may stored in the body control module and do you hear a clicking or ticking noise in the rear?

Posted on Nov 02, 2010

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How do a fix my car the front panel gauges turn off and the fuses open


I may b a fuse in the engine fuse box labeled gauges..check those and all other fuses pertaining to dash lights.. If they are good then it may be your wireing in the dash itself..or plugin wire to the dash may b faulty

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Heat gauge goes way up,then by reeving motor it will go down.blows cold air


Check out related help links with solutions to troubleshoot the problem:---
Click the link below:---
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http://howtobyme.blogspot.in/2012/05/2004-toyota-tundra-oil-gauge-and-temp.html

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These details will help.
Thanks.

Nov 22, 2012 | 1997 Ford Taurus

1 Answer

Temperature knobs won't change temperature Chevy Tahoe


You likely have a HVAC control head failure. The rear heater problem is likely a door actuator, the rear wiper is likely a open wire in the door jamb in the top. The gauges are likely a cluster failure.

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My fuel gauge tach gauge speedometer heater temp gauge and driver power seat quit working


check the fuses. they are under the back seat just pull up on the lower part of the back seat and it will come out. fuse box is on the drivers side. check to see if water is getting in that could be the cause.

Feb 10, 2012 | 1996 Oldsmobile Aurora

1 Answer

I have 99 oldsmobile Alero. When I turn it on the oil , battery , seatbelt light turn on. But when I turn the engine on the gauges don't work. But when the weathers hot outside the gauges turn on. Any...


SOUND LIKE SHORT IN GAUGES. HEAT WILL CAUSE SHORT TO WORK.HEAT FROM THE SUN WILL CAUSE PLASTIC EXPAND WHEN PLASTIC SHRINK BACK IT WILL CRACK.IF CLUSTER GAUGE HAS A CRACK IN THE CIRCUIT BOARD HEAT WILL CAUSE PARTS EXPAND ENOUGH TO WORK AGAIN.

Aug 22, 2011 | 1999 Oldsmobile Alero

1 Answer

Peugeot 406 hdi turns over but wont start, no lights or gauges work on dash except oil light, climate, multi function screen, stereo, heated seats wont work, everthing else does, lights, windows, electric...


chec the fuse box for bad then do an inspection of the wires for any corrosion/cuts--may hav a module thats bad or computer problem-get a tech that can do a mobile scan

Dec 31, 2009 | 2006 Peugeot 405

1 Answer

Just bought a used 1995 Honda Prelude and the Tach and speedometer work along with the clock but I can't see any other gauges. (Gas, oil, temp and whatever else might be there. What is the problem?


Since you just bought the car, I thought that you might not be aware of the instrument lighting control. I apologize if you know this:
The dial on the dashboard to the left of the instrument panel controls the brightness of the instrument panel lights. Turn the dial to adjust the brightness.
To reduce glare at night, the fuel and temperature gauges dim when you turn on the parking lights or headlights. You then adjust their brightness when you adjust the instrument panel brightness. Turn the dial up as far as it will go to return the fuel and temperature gauges to their daytime brightness.
Hope it's that simple.

Nov 25, 2009 | 1995 Honda Prelude

1 Answer

2002 Grand Cherokee Heated Seats don't work


I will post it in 2 different posts because its too long DB

HEATED SEAT SYSTEM
Individually controlled driver and passenger side electrically heated front seats are available factoryinstalled optional equipment on this model, when it is also equipped with the power seat option. The heated seat system allows both the driver and the front seat passenger the option to select one of two seat heating ranges, Low or High, or to turn the individual seat heaters OFF using the heated seat switches located in the center lower bezel near the bottom of the instrument panel center stack. The heated seat switch circuit operates on ignition switched battery current supplied through a fuse in the junction block, only when the ignition switch is in the ON position.

The heated seat system consists of the following components
  • Heated seat elements
  • Heated seat sensors
  • Heated seat module (or memory heated seat module)
  • Heated seat switches.
The heated seat system also relies upon resources shared with other electronic modules in the vehicle over the Programmable Communications Interface (PCI) data bus network. The PCI data bus network allows the sharing of sensor information. This helps to reduce wire harness complexity, internal controller hardware, and component sensor current loads. At the same time, this system provides increased reliability enhanced diagnostics, and allows the addition of many new feature capabilities. For diagnosis of these electronic modules or of the PCI data bus network, the use of a DRB scan tool and the proper Diagnostic Procedures are recommended.

The electronic modules that may affect heated seat system operation are as follows:
  • Body Control Module (BCM) - Refer to Body Control Module in Electronic Control Modules for more information.
  • Heated Seat Module (HSM) - Refer to Heated Seat Module in Electronic Control Modules for more information.
  • Memory Heated Seat Module (MHSM) - If the vehicle is equipped with the Memory System, refer to Memory Seat Module in Electronic Control Modules for more information.
Refer to Power Seats Premium I/III in the Contents of Wiring Diagrams for complete circuit diagrams. Following are general descriptions of the major components in the heated seat system.

The heated seat system will only operate when the ignition switch is in the ON position, and the surface temperature at the front seat heating element sensors is below the designed temperature set points of the system. The heated seat system will not operate in ambient temperatures greater than about 41 °C (105 °F) . The front seat heating elements and sensors are hard wired to the Heated Seat Module (HSM) or the Memory Heated Seat Module (MHSM).

The heated seat switches are hard wired to the Body Control Module (BCM). The BCM monitors the heated seat switch inputs, then sends heated seat switch status messages to the HSM or MHSM over the Programmable Communications Interface (PCI) data bus. The HSM or MHSM contains the control logic for the heated seat system. The HSM or MHSM responds to the heated seat switch status messages, ignition switch status messages, and the front seat heating element sensor inputs by controlling the output to the front seat heating elements through integral solid-state relays.

When a seat heater is turned ON, the sensor located on the seat cushion electric heater element provides the HSM or MHSM with an input indicating the surface temperature of the seat cushion. If the surface temperature input is below the temperature set point for the selected Low or High heated seat switch position, the HSM or MHSM energizes the integral solid-state relay, which supplies battery current to the heating elements in the seat cushion and back. When the sensor input indicates the correct temperature set point has been achieved, the HSM or MHSM de-energizes the solid-state relay. The HSM or MHSM will continue to cycle the solid-state relay as needed to maintain the temperature set point.

The HSM or MHSM and the seat heater elements operate on non-switched battery current supplied through the power seat circuit breaker in the junction block. However, the HSM or MHSM will automatically turn OFF the heating elements if it detects an open or short in the sensor circuit, a short or open in the heating element circuit causing an excessive current draw, or when the ignition switch is turned to the OFF position.

See the owner's manual in the vehicle glove box for more information on the features, use and operation of the heated seat system.

I WILL POST THE REST

Jan 31, 2009 | 2002 Jeep Grand Cherokee

3 Answers

2003 F-250 instrument cluster...


it sounds like you are getting a surge of voltage from your alternator/generator. Very strange.

the dealer can run a diagnostic test & pull fault codes or you can try this. If this helps, please report back & rate as fixya. Thanks. I am curious what you find as root cause. Good luck.

Instrument Cluster Self-Diagnostic Mode
To enter the instrument cluster self diagnostic mode with the engine off, depress and hold the odometer reset button. Turn the ignition switch to the RUN position and hold until the gauges sweep (within five to eight seconds). Depress the reset button once to advance to each stage of the self-test.
Turn the ignition to the OFF position to exit the instrument cluster self-diagnostic mode. If no DTCs related to the concern are retrieved, proceed to the Symptom Chart to continue diagnostics.


Instrument Cluster Self-Diagnostic Mode Odometer display Description GAGE Carries out gauge sweep of all gauges, then displays the present gauge values. Also carries out the check sum test on ROM and EEPROM. All segments illuminated. Illuminates all odometer segments. bulb Illuminates all micro-controlled lamps and LEDs. r #### Returns to normal operation of all micro-controlled lamps and LEDs and displays hexadecimal value for ROM level (used when requesting assistance from the hotline). nr#### Displays hexidecimal ROM level and type as stored in non-volatile memory (NVM). EE ## Displays hexadecimal value for EE level (used when requesting assistance from the hotline). dt #### Displays hexadecimal code for the final manufacturing date. ###C Gas engines display last temperature gauge input value from SCP, temperature gauge will indicate present temperature. Diesel engine displays present temperature analog/digital input in decimal as a ratio, temperature gauge will indicate present temperature. dtc #### Displays a 16 bit DTC in hexidecimal format. DTCs displayed are those detected in continuous operation not during self-test. EnG Displays English speed value being input, speedometer will indicate present speed. m Displays metric speed value being input, speedometer will indicate present speed. tAc Displays the tachometer value being input to the instrument cluster. Tachometer will indicate present rpm. FUEL Displays the present analog/digital fuel level being input to the instrument cluster as a ratio. OIL Displays the last analog/digital reading of the oil pressure switch contact resistance, oil gauge will indicate present level. br Displays the brake fluid level in an analog/digital ratio value. bAt ##.# Displays present battery analog/digital voltage. rhEo Displays present hexadecimal pulse width modulation (PWM) dimming input. rhi, rhS, rho Alternating 1 second display of pulse width modulation (PWM) input duty cycle, SCP hexidecimal dimming step, output driver counts in hexadecimal. Cr RUN/START sense circuit check. PA, Pb, PC, and Pd Displays 8-bit hexadecimal value for the Port A, B, C, and D readings (used when requesting information from the hotline). PE0-PE7 Displays 8-bit hexadecimal value for the Port E0-Port E7 in analog/digital readings

Jan 26, 2009 | 2003 Ford F250 Super Duty Crew Cab

1 Answer

Gas gauge, temperature gauge don't work; TC light won't turn off;


there is usually a button on bottom of the steering column to push to take the key out of the ignition. it should allow you to turn the key to the lock position

Jan 11, 2009 | 2004 Cadillac SRX

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