Question about 2003 Chevrolet TrailBlazer

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2003 trailblazer loss of cruise control and ac fan

2003 trailblazer: abs and parking brake light comes on, there is a loss of cruise control and ac fan won't function

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For parking brake and abs check for parking brake switch operation, for abs check with scan tool for any trouble code, for your cruise control unit check for any broken vacumm hoses on the engine, for the ac fan, check the fan motor, relay or fuse.

Posted on Jul 16, 2009

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Abslight stays on. How to fix? This is a2007trailblazer?


First you need to have EBCM - electronic brake control module check for DTC'S - diagnostic trouble code's . If the light is on there is a code stored . I think most part stores can do this and for free . After you find out what code is stored , looking up that code in service repair information for diagnostic trouble shooting chart would be next step . There are a few codes too.
DTC C0035 or C0040
DTC C0045 or C0050
DTC C0110
DTC C0131
DTC C0161
DTC C0186
DTC C0196
DTC C0201
DTC C0240
DTC C0241 or P0856
DTC C0244 or P1689
DTC C0245
DTC C0283
DTC C0287
DTC C0290 or C0292
DTC C0455
DTC C0550
DTC C0558

Find the code do the diagnostic's , fix the problem , wiring issue's , a sensor , bad module ,what ever it is . The light will go out then . Here is a sample of code discription .
• DTC C0035 Left Front Wheel Speed Sensor Circuit
• DTC C0040 Right Front Wheel Speed Sensor Circuit

Dec 30, 2016 | 2007 Chevrolet Trailblazer

1 Answer

Abs and park brake light comes on and sometimes the cruise control will cut off only when the ac fan is turned on


You must have the systems control module scanned for faults that will explain this. Guessing wastes time and money.

Aug 21, 2016 | 1999 Chevrolet Silverado 2500

1 Answer

CRUISE CONTROL WON'T WORK ON 2005 CHEVY TRAILBLAZER


check cruise control fuse and check the brake lights see if brake light working because the brake light switch will deactivate cruise control when brakes is applied.if brake lights dont work either fuse blowed or switch bad.if all is good have vechicle code scan because cruise control control by PCM and vechicle speed sensor and thottle actuator control motor.

Apr 17, 2013 | 2004 Chevrolet TrailBlazer

1 Answer

My 2003 chevy silverado has abs light on , parking brake on , service 4wd message , and cruise control won't work . What schould I look for ?


I would probably have the computer scanned for ABS trouble codes.
It could be a switch or something else such as an actual problem with the abs system.

Apr 04, 2013 | 2003 Chevrolet Silverado 1500

1 Answer

Parking Brake, ABS, Traction Control & Anti Skid lights on


One or more of the sensors in the wheels that are responsible for these functions is faulty. It is sending a signal that is mucking up the calculations that control the brakes and engine for traction control and anti skid. All of them need to be checked!

Jan 14, 2013 | 2006 Chevrolet TrailBlazer LT

1 Answer

Problem with cruise on 2003 E350 7.3L engine


Hello! The Parking Brake Switch is defective...It is not adjustable ...it is held in pace by a locator pin and a bolt and is located on the brake controller.
wire colors are Light Green/Red and Black...The contacts are spring loaded and are closing due to vibration...If the bruise control is set and you nit a bump the contacts will close...If cruise is set it will clear it just as if you hit the brake...See picture below...Guru...saailer


11_10_2011_9_03_33_am.jpg
MOTORCRAFT Part # SW2217 Cost =<$15

Nov 09, 2011 | Cars & Trucks

1 Answer

When I engage my AC, the 2 Stabilitrack lights, the Parking Brake and ABS lights all come on until I turn it off.


sounds like the bcm (body controll module) is shorting out somehow have u checked all grounds

Mar 24, 2010 | 2006 Chevrolet Trailblazer

2 Answers

Why is the cruise control kicking off and the abs light come on, on my 2003 f-250


Your cruise control is based on speed sensors and if you have a bad speed sensor then it will not allow the cruise to function as a sefety precation. Have a garage test yo ABS speed sensors. I wuld suspect the rear sensor in the diff.

Aug 02, 2009 | 2003 Ford F250 Super Duty Crew Cab

3 Answers

Lights on dash stay on and ac/heat fan does not work.


Your Ignition switch is not feeding 12 volts to the orange wire it feeds the accesory circuit. mine was melting poor design..

May 30, 2009 | 2002 Chevrolet TrailBlazer

1 Answer

Cruise Control not active, engine light and ABS light


I have the same problem with the Cruise Control not available coming up but I had a smiliar problem with the ABS and Engine light coming on when battery was pretty much dead, it was hard to steer and brake.. may be something different with your car..

May 23, 2009 | 2003 Jaguar X-Type

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