Question about 2006 Chevrolet Trailblazer

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Warning light showing drive train and wrench

The trouble light came on showing a wrench alongside a picture of the drive train

Posted by Anonymous on

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Posted on Jan 02, 2017

johnr1959
  • 56 Answers

SOURCE: console light came on with wrench and four wheels and drive shaft

you can disconnect the negative battery cable for 30 seconds then re hook it back up this will reset the computer if light comes back on you need to take it in to chevy dealer to have examened>
If you are doing your own repairs go to your local Autozone and they will use a code reader to tell you the problem
please leav positive feed back

Posted on Jan 30, 2009

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2007 sports trac wrench light on, abs light on and advance track light on. where to go


Hello Alfred,

The dash warning indicators are showing problems picked up by your vehicles on board computers.

The first step to understanding what all these warnings relate to is having a diagnostic reader reveal the codes that have been registered. This reader is called a OBDII code reader.

Some auto parts stores provide a free diagnostic summary. I think Auto Zone is one of these retailers that will provide this free service.

After you have the codes go to Repair Pal here:

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Have the main computer checked for trouble codes and go from there.

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1 Answer

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The definition of the warning light should be in your owners manual.
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The warning light tells you there is a problem and the computer needs to be scanned to get the trouble codes to proceed.

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2004 Ford Explorer: the wrench light came on - which according..limp

Customer Question

My husband wash the engine of our 2004 Ford Explorer. About 2 hours later the wrench light came on - which according to the manual it has something to do with the Electronic throttle control and now I guess it is running in default "limp-home" operation?? Sounds serious. What does this mean since there is no other explanation in the manual.
Hello and welcome to Just Answer!this vehicle uses an electric throttle control system and has no throttle cable or mechanical link between the accelerator pedal and the throttle body on the engine. This is commonly known as "throttle by wire". When the wrench light comes on, it signifies that there is a problem with the electronic throttle control system. The system consists of accelerator pedal position sensors, or sensor on the throttle pedal (there are more than one as back ups incase one fails), throttle position sensors out on the throttle body itself and there are more than one of these too and a throttle motor that actually opens and closes the throttle plate. If the system detects a fault in any of the sensors or the motor itself, it will turn on the wrench light and go into "limp mode". In limp mode, depending on what the computer thinks is wrong, it will either limit the throttle to about 35% or it will command idle and won't let the engine accelerate at all. It does this because when a sensor fails, the system's ability to control the throttle is compromised and as a safety meausre to keep the engine from accelerating when not commanded to do so, the throttle is limited. this problem is likely due to water intrusion into a sensor or an electrical connector. I never recommend using a water hose to clean an engine as water can infiltrate connectors and sensors and cause problems.This is not an easily diagnosed problem and if it doesn't go away when the water dries, will have to be taken to a diagnostic shop to be trouble shot and repaired.

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