Question about 2002 Chevrolet TrailBlazer

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2002 trailblazer 4 wheel drive selector switch showing multiple lights on all four selections. Check 4 wheel drive light is on but no code. Suspect transfer case motor or control module?????.

Posted by ARNOLD MCDONALD on

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spank61

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  • 139 Answers

Control module, i just changed mine,everything works

Posted on Dec 30, 2017

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5 Related Answers

Anonymous

  • 90 Answers

SOURCE: Service four wheel drive

Without further diagnostics, it could be any # of causes, but these are notorious for bad conections at the transfer case encoder motor and /or the encoder motor itself.The motor,when replaced may need to be reprogramed.Be sure the switch and wiring are functioning properly as the encoder and/or related control module are pricy$$

Posted on Jan 10, 2009

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Colin Stickland

  • 22485 Answers

SOURCE: Ford Ranger 1995 4 wheel drive issue

no it should have 12v i would have thought,but to be truthful i dont have a lot of experiance with this american type of vehicle ,land rover with levers yes ,double diff in a 8 wheeler yes ,12 speed foden gearbox yes.Would need to get my dirty mits under the bonnet to to sort it out .Sorry i couldnt be of any more help with a quick bang here or a thump their us brits would rather have a ford transit van diesel .with manual box and power steering .Now that a real mans tool ,ideal for carrying stuff

Posted on Oct 18, 2009

Anonymous

  • 57 Answers

SOURCE: 2002 trail blazer 4wheel drive service light on

I would first give a visual test on the wires to see if there is a short anywhere, can you run a test meter on the control module to see if there is ohms resistance or shorting out!

Hope this helps.

contact again if you cannot sort this out!

Posted on Oct 30, 2009

Anonymous

  • 97 Answers

SOURCE: type of oil to use in the transfer case 2002 4 X 4 Isuzu Rodeo

80w.thanks

Posted on Nov 29, 2009

john h

  • 23438 Answers

SOURCE: I have a 99 GMC Jimmy with the 4 wheel drive. I

check fuse and relay to switch if power to switch retest switch new doesnt mean not defective if no power check connections and wiring for damage or breaks

Posted on Dec 02, 2009

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1 Answer

2008 trailblazer 4wd inop


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1 Answer

My 2002 trailblazer is not shift into four wheel drive . Please help.


need to check the fuses first than check for power to transfer case [under vehicle attached to rear of transmission ]if no power check selector switch if good and has power-than module needs to be checked its located on left side dash behind headlight switch

Aug 14, 2013 | 2002 Chevrolet TrailBlazer

1 Answer

Four-wheel drive not working. No light on swtich. New transfer case motor. Checked the fuses and the four-wheel drive switch. What can it be?


Was the transfer case fluid changed every 50K miles? This very important on these trucks. The Transfer Case Control Module (TCCM) could be at fault, especially since you have no lights on the selector switch. Is the Service 4x4 light on? When you switch from 2H to any of the 4 wheel drive selections, do you hear any actuator noises coming from under the truck?

Dec 07, 2010 | 2003 Chevrolet TrailBlazer

1 Answer

My 2002 chevy trailblazer will not go into 4 wheel drive mode. Indicator lights do not light up either.


FIRST THING TO DO IS TO CHECK FUSES. AFTER THAT CHECK POWER TO SWITCH. 3RD SOMETIMES THE VEH MUST BE IN PARK OR NEUTRAL. IF YOU HAVE 12V AT SWITCH THERE IS A SOL SWITCH ON FRONT DIFF. MAKE SURE ITS CONNECTED AND HAS POWER IF IT DOES TAP ON IT SOMETIMES THEY STICK ALITTLE

Feb 11, 2010 | 2002 Chevrolet TrailBlazer

1 Answer

My 4 wheel drive gets stuck on in 2 hi on my 2002


the first thing is to have the computer scaned for codes, this will aid in finding problem, could be a faulty switch or a weak selector motor that will only move when theres to force, (trans not moving). start with the scaning for codes,good luck.

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Sep 18, 2008 | 2002 Chevrolet TrailBlazer

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