Question about 2004 Chevrolet Avalanche

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Brake lights All rear brake lights stopped working. The lights will come on when the swith is on, but when pressing the pedal nothin illuminates. Anyone have this problem?

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It sounds like your sensor that is just above the break pedal is worn or out of adjustment..

Posted on Nov 08, 2008

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Probably the switch at the top of the pedal is already defective. that switch turns on the brake lights when you depress the pedal. you may have to just replace that switch.

Posted on Sep 03, 2008

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08 Buick lucerne cxl. Third brake light works as well as front signal lights. No rear brake lights or turn signals. Tail lights and headlights and third brake lights works. Bulbs good. Help


Stop Lamps
The brake pedal position sensor is used to sense the action of the driver application of the brake pedal. The body control module (BCM) provides a 5-volt reference voltage and low reference to the brake pedal position sensor. The position sensor provides an analog voltage signal back to the BCM that will increase as the brake pedal is applied. When the brake is applied, the BCM will then apply battery voltage to the left and right stop/turn signal lamp supply voltage circuits and the center high mounted stop lamp (CHMSL) supply voltage circuit illuminating the stop lamps. At the same time the BCM applies battery voltage through the signal circuit to the transmission control module (TCM) and the engine control module (ECM) indicating that the brakes are applied.
Ground for the stop lamps is supplied as follows:
• G402 provides ground for the left rear stop/tail/turn signal lamps
• G403 provides ground for the right rear stop/tail/turn signal lamps
• G301 provides ground for the CHMSL
The stop lamps on this vehicle will not illuminate unless the ignition is in the accessory, run, or crank positions. When the ignition is in the OFF position the stop lamps will not illuminate when the brake pedal is applied.
Battery voltage from the LT TRN/SIG and RT TRN/SIG fuses located in the rear fuse block is also used by the body control module (BCM) for stop lamp operation.

Turn Signal Lamps
Battery voltage supplied to the body control module (BCM) from the fuses listed below is used for turn signal and hazard lamp operation.
• LT TRN/SIG fuse for the left turn signals
• CTSY/RF TRN fuse for the right front turn signal
• RR TRN/SIG fuse for the right rear turn signal
When the turn signal switch is place in either the LEFT or RIGHT position, ground from G300 is applied through the turn signal switch signal circuit to the BCM indicating the turn signal request. In response to this signal, the BCM applies a pulsating voltage to the front and rear turn signal lamps supply voltage circuits cycling the lamps ON and OFF. At the same time the BCM sends a GMLAN serial data message to the instrument panel cluster (IPC) to cycle the appropriate turn signal indicator ON and OFF.
Ground for the turn signal lamps is supplied as follows:
• G104 provides ground for the left and right front turn signal lamps
• G402 provides ground for the left rear stop/tail/turn signal lamps
• G403 provides ground for the right rear stop/tail/turn signal lamps

Do you have a factory scan tool (tech2) ? Your best bet , take it to the dealer .

Sep 08, 2017 | Buick Cars & Trucks

1 Answer

Tahoe brake light switch


check bulbs first ,then unplug brake switch ,if the swith plug has 2 wiring running into it, use a thin wire to bridge the 2 wires of the plug and see if brake lights illuminate ,if they do work by bridging the wires with ignititon on , it is more than likely the switch at fault

Jan 15, 2014 | Cars & Trucks

1 Answer

My break light swithes on sometimes without me even pressing the breaks. The break light also sometimes stays on even when I have taken my feet off the break. I have tried changed the break light switch...


Did you adjust the brake light switch correctly? To adjust the brake light switch, first press the brake pedal down a few inches, then pull the switch plunger rod out of the switch toward the brake pedal arm, as far as you can without using excessive force. Next, return the brake pedal to the pedal stop position against the pedal stop and pull the brake pedal toward the rear to push the brake light switch actuating plunger rod into the switch housing limited by the travel of the brake pedal arm rear travel stop position. This procedure automatically adjusts the brake light switch correctly.
If the brake lights still don't turn off with the brake pedal released, check the brake pedal arm for sticking or binding that is preventing the brake pedal arm from returning fully to the pedal stop when the brake is released.

Feb 21, 2011 | 2002 Audi A4

2 Answers

Pressing brake pedal does not energize brake lights. Both rear turn signal lights work. Cruise control does shut off when brake is applied. There appear to be two different swithes attached to the brake...


One of those switches is the brake switch which activates your brake lights.It sounds like its bad.Go to auto parts store and buy a new switch and that will help you with which one it is.Very easy to replace.

Dec 31, 2010 | Chevrolet 1500 Cars & Trucks

2 Answers

When headlight are on and hit the beake pedal only the 3rd brake light comes on the rest are stuck . When i release brake pedal it seems like i am driving with my brake light on . but my headlight off...


It may sound silly, but check your brake light bulbs to see if they have been installed incorrectly. Brake light bulbs have two filaments, one for tail light, and a brighter one for brake lights. On some cars if the bulb is installed wrong, the brighter filament will stay on for tail lights. The only other thing I can think of is the wrong bulbs have been installed.

Dec 25, 2010 | Toyota Camry Cars & Trucks

2 Answers

I cant shift out of park what is wrong ?


Make sure your foot is on the brake. If so it could be the shift interlock switch.

Sep 22, 2010 | 2002 Ford Escape

1 Answer

Brake lights dont work was working jus the other day


Hi: 1st Thing to Check is Your Brake Light Swith ,Which is Down Where the Brake Pedal is But Follow it UP to Find It,It Could be Mounted On your Steering Column ,Or Theres A Bracket(METAL) Hold The Switch. When not Pressing your Brakes The Switch is Being Pushed in By the Brake Pedal Metal Arm and You Should beable to Find It. 1- Thing don't seem like your Brake Light Bulbs would Both Stopping working at the same Time.You Also need to look in your Fuse Box and Se if Theres a Fuse Labeled on Your Fuse Box Cover (STOP LIGHTS Or BRAKE LIGHTS. Hope you Can Find it and Get you Rolling again ,PLEASE Reply And Rate My Help i Gave you by Voting On My Solution: Thanks The WYOCWBOY

May 29, 2010 | 2001 Chevrolet Malibu

1 Answer

Brake lights do not illuminate.


test and replace the brake light swith if necessary

Apr 04, 2009 | 2004 Honda Civic

1 Answer

Diagnostic code P2299 for 2004 Dodge Ram 1500 5.7 hemi?


P2299-BRAKE PEDAL POSITION / ACCELERATOR PEDAL POSITION INCOMPATIBLE

Set Condition:
The PCM recognizes a brake application following the APPS showing a fixed pedal opening. Temporary or permanent. Internally the PCM will reduce throttle opening below driver demand. One trip fault and the code will be set within 5 seconds. ETC light will illuminate, the light will only stay illuminated while DTC is active.




Possible Causes

DRIVER PRESSING ACCELERATOR PEDAL, THEN PRESSING BRAKE PEDAL, AND CONTINUES TO HOLD THEM DOWN SIMULTANEOUSLY

STOP LAMP SWITCH

APP SENSOR


The most likely cause of this DTC is Brake Torquing the engine by pressing the Accelerator pedal and the pressing the Brake Pedal.

Jul 17, 2008 | 2004 Dodge Ram 1500

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