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I have TBC WHAT THAT MEANS ON CHEVROLET SILVERADO 2000 4X4X 4.8L

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Truck Body Control module aka Body control module..
things like locks,windows,wipers,etc on most new vehicles the switches you use don't go directly to the device they just send a signal to the module that sends it to the device telling it to do what it is supposed to do.
Hope that isn't as clear as mud.

Posted on Jan 21, 2018

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Truck Body Controller

SilveradoSierra.com • Interior Lights not working : Electrical

www.silveradosierra.com/electrical/interior-lights-not-working-t387865.html
Apr 8, 2015 - 8 posts - ‎1 author
Anyway i have a 2006 Chev Silverado Crew Cab 4.8L 4x4 and my issue is with my Map and Dome Lights not automatically turning on when the doors ... It was marked as TBC 2B (Truck Body Controller) and is located in the cabin fuse panel by the drivers door.....thanks for the suggestion...this might be able ... SilveradoSierra.com • Factory Trailer Brake Controller ...
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CHEVROLET SILVERADO 2000 4X4X 4 8L TBC Google Search

Posted on Jan 21, 2018

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1 Answer

Dome light fuse..??


The BCM - body control module controls those lights ! There are two fuse's in the rear fuse box that supply B+ voltage to the BCM for interior light's. TBC 3 an TBC 4. Fuse # 4 an #40 both are 10amp fuse's . Fuse Block - Rear
Beneath the left rear seat !

Sep 14, 2016 | 2004 Chevrolet TrailBlazer

2 Answers

TBC Batt fuse is draining battery after car set 24 hrs what is this fuse for


This fuse is for the body control module, so your draw is probably something controled by the bcm. Get a manusl, get a list, and eliminate them one by one until your draw is gone! Good luck, let me know if you need any more help!

Feb 11, 2012 | 2003 Chevrolet Silverado 1500

1 Answer

Truck displaying "TBC FAULT" while driving. What


It may possibly store DTCs. If not.. PINPOINT TEST H: THE INSTRUMENT CLUSTER DISPLAYS "TBC FAULT"

Test Step Result / Action to Take
H1 CHECK FOR THE PRESENCE OF A TRAILER BRAKE CONTROL (TBC) MODULE AND BRAKE PRESSURE TRANSDUCER
Verify that the vehicle is equipped with a TBC module in the instrument panel and a brake pressure transducer on the master cylinder.
Is the vehicle equipped with a TBC module and a brake pressure transducer?
Yes
GO to H2.

No
If the vehicle has a brake pressure transducer but not a TBC module, INSTALL a TBC module. CLEAR the DTCs. REPEAT the self-test.

- If the vehicle has a TBC module but does not have a brake pressure transducer, GO to H4 .

- If the vehicle has neither a TBC module nor a brake pressure transducer, GO to H3 .

H2 CHECK TBC MODULE COMMUNICATIONS
Using the scan tool, access the TBC module. Does the scan tool communicate with the TBC module?
Yes
VERIFY that the instrument cluster is configured correctly, RECONFIGURE as necessary. REFER to Programmable Parameters in this section.

No
Go To Pinpoint Test a.

H3 CHECK THE VEHICLE BUILD INFORMATION
Verify that the vehicle is supposed to be equipped with a TBC module.

Is the vehicle supposed to be equipped with a TBC module?
Yes
INSTALL a trailer brake retrofit kit. CLEAR the DTCs. REPEAT the self-test.

No
VERIFY that the instrument cluster is configured correctly, RECONFIGURE as necessary. REFER to Programmable Parameters in this section.

H4 CHECK THE VEHICLE BUILD INFORMATION
Verify that the vehicle is supposed to be equipped with a TBC module.
Is the vehicle supposed to be equipped with a TBC module?
Yes
INSTALL a brake pressure transducer. Make sure to LUBRICATE the O-ring seal with clean, specified brake fluid before installation. RECONFIGURE the instrument cluster for trailer brakes, REFER to Programmable Parameters in this section. CLEAR the DTCs. REPEAT the self-test.

No
REMOVE the TBC module and install the storage bin.

Hope this helps; keep us updated.

Jan 17, 2011 | 2007 Ford Super Duty King Ranch

2 Answers

What does tbc fault mean on a 2006 f350


TBC means Trailer Brake Controller fault.Check for moisture/water in the trailer plug connector at the back of your truck. Water/moisture will cause TBC error codes. Look for moisture at all connections to the plug and inside the plug.Trailer brake controller that is built into your dash. If you are hooked up to a trailer it could mean you are losing your connection or ground to the trailer. If you are not connected to a trailer it means there is a problem with your brake controller possibly a short in the wiring caising the fault code. ----- It means either A) you have a bad ground on your trailer. Or B) your cable on your trailer is too short and causing it to pull out of the plug or C) you have a short in the factory trailer harness wiring or the plug is gunked up. --------- get this possibilities checked.It will help.Thanks.Helpmech.

Dec 24, 2010 | 2006 Ford F 350 Super Duty

1 Answer

All fuses good, manual operation good. Dome lights will not come on when doors are opened and my back up lights stoped working all at the same time


Fuse box on drivers side dash, lower right hand corner fuse marked "TBC-2B" (15A) controls dome and reverse lights

Oct 31, 2010 | 2006 Chevrolet Silverado

1 Answer

What's on TBC 2B fuse?


incorrectly wired radio would cause problem.it would be the wire that is suppose to connect for dimming lights looks like a ground but is not has a yellow or a white stripe with black on it.use it as a ground and it will blow the fuse.

Feb 06, 2009 | 2002 Chevrolet Silverado 2500HD

2 Answers

Fuse box


Start by checking the TBC fuses in the door jamb fuse block. As far as I can see, that is where the inadvertant power bus picks up power which is what the lights feed off of. Good Luck.

Oct 06, 2008 | 2004 Chevrolet Suburban

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