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Where is the rear output speed sensor located on a 96 chevy tahoe 4wd 5.7 auto? would like diagram if possible

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  • jnero402 May 30, 2010

    thanks a lot!

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The speed sensor is mounted on the rear section of the transfer case and depends on the type of transfer case you have, but it looks like this;

where is the rear output - da0a10a.jpg

Posted on May 30, 2010

  • GetMeOttaHere May 30, 2010

    Thank you for using Fixya.

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I got a 2000 Oldsmobile Bravda and has smart track that works when it wants to the service light comes on once and awhile. When I really need 4wd it doesn't kick in Help


There are three different transfer case's ! Which of these does your olds have ?

Transfer Case - NVG 136-NP4 (One Speed Automatic)
Transfer Case - NVG 233-NP1 (Two Speed Selectable)
Transfer Case - NVG 236 (Two Speed Automatic)

All three have an electronic control module ! When the light is on DTC'S are stored in the transfer case shift control module .

SERVICE indicator (AWD/4WD) lamp
The SERVICE indicator (AWD/4WD) lamp is an integral part of the instrument cluster and cannot be serviced separately. This lamp is used to inform the driver of the vehicle of malfunctions within the automatic transfer case (ATC) system. The SERVICE indicator (AWD/4WD) lamp is controlled by the transfer case shift control module via a Class 2 serial data message.

There are three speed sensors on the Automatic Transfer Case (ATC), two on the rear output shaft and one on the front output shaft. Each speed sensor is a Permanent Magnet (PM) generator. The PM generator produces a pulsing AC voltage. The AC voltage level and number of pulses increases as speed increases.
Vehicle Speed Sensor
One of the two speed sensors on the rear output shaft is the vehicle speed sensor (VSS). It is an input to the vehicle control module (VCM). The VCM sends this information to the transfer case shift control module via the Class 2 Serial Data bus.
Rear Propshaft Speed Sensor
The transfer case shift control module converts the pulsating AC voltage from the rear propshaft speed sensor to a Rear Propshaft Speed in RPMs to be used for calculations. The Rear Propshaft Speed can be displayed with a scan tool.
Front Propshaft Speed Sensor
The transfer case shift control module converts the pulsating AC voltage from the front propshaft speed sensor to Front Propshaft Speed in RPM to be used for calculations, and to monitor the difference between the front and rear propshaft sensor speed. It is also used in the AUTO 4WD mode of operation to determine the amount of slip and the percent of torque to apply to the front axle. The Front Propshaft Speed can be displayed with a scan tool.

Transfer Case Encoder Motor
The transfer case encoder motor is a permanent magnet D.C. motor and gear reduction assembly. The encoder motor is controlled with a Pulse Width Modulated (PWM) signal provided by the transfer case shift control module. It is located on the left hand side (drivers side) of the transfer case. When activated it turns the sector shaft of the transfer case to shift the transfer case. This circuit consists of a power supply relay (Motor Feed A circuit ) that supplies voltage to the motor. The Motor Control B circuit is a PWM driver that varies the duty cycle to control the amount of current through the motor to ground.

There are a number of codes that can set .
DTC C0300 Rear Speed Sensor Malfunction
DTC C0305 Front Speed Sensor Malfunction
DTC C0308 Motor A/B Circuit Low
DTC C0309 Motor A/B Circuit High
DTC C0310 Motor A/B Circuit Open
DTC C0315 Motor Ground Circuit Open
DTC C0374 General System Malfunction
DTC C0376 Front/Rear Shaft Speed Mismatch
DTC C0550 ECU Malfunction
DTC C0611 VIN Information Error

You don't want to just start replacing parts , that could cost $$$$$$ . You could check connections at all the sensors an the control module , but other then that ,well . Your best bet , take it to a qualified repair shop .

Feb 19, 2017 | 2000 Oldsmobile Bravada

1 Answer

I have 2005 chevy trailblazer Ls 4.2 4wd 6cilinders and I have code c0055 vehicle speed sensor circuit.and I need to know where is this sensor located or how to fix it


It depends there are 3 speed sensors 1 on each front wheel and 1 on the output shaft of the transmission.They all talk to each other and the computer All generate a refferance voltage .5 volts and send a signal to the pcm or vcm or ecm .Small problem are like the ones on the front big problems the out put shaft

Apr 08, 2015 | 2005 Chevrolet TrailBlazer LS

1 Answer

Where is the speed sensor located on a 2004 Chevy Tahoe Z71.


Speed sensor for the ABS system or for the speedometer?

If the speedometer and it is four wheel drive than the speed sensor will be in the rear housing of the transfer case.

Sep 09, 2014 | 2004 Chevrolet Tahoe

1 Answer

22RE TOYOTA 1993 PICKUP BASE MODEL 4WD 4CYI 5 SPEED MANUAL


its located on transfer case rear end near propeller shaft , have 3 wires plug

Jun 27, 2017 | 1993 Toyota Pickup

1 Answer

Just bought a 4wd 07 chevy tahoe LT. Was spinning out in reverse on a sheet of ice and only the rear wheels moved. did it a few times and got same result. Is the car just not 4wd in reverse? Thank you...


WERE YOU in auto 4wd or 4hi? sometimes vehicles will pop out of 4wd in reverse the auto mode detects slip going forward not backwards so if in auto tes it will have problems in reverse.

Dec 22, 2010 | 2007 Chevrolet Tahoe

2 Answers

2005 tahoe 4wd the electric 4wd shift changes on its own you will start the car and look down and it will be in 4 low or in neutral?


pk_foust.....has anybody solved your problem? Because I am having the same problem with my 2005 Chevy Tahoe.
Peter

Dec 22, 2009 | 2005 Chevrolet Tahoe

1 Answer

Where is the vehicle speed sensor located on a 97 Tahoe w/4WD?


It is on the rear of the transfer case close to the drive shaft.

Oct 28, 2009 | 1997 Chevrolet Tahoe

1 Answer

Locating the iat sensor on a chevy tahoe 2008


Yes. That is exactly it. The Air Intake Temp Sensor is built into the Mass Air Flow Sensor on the Air Filter Box. Below is a picture...
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I personally have not connected one of these Chips to a Tahoe...What I can provide you with, is the Connector Diagram so you know exactly what Wires you need to Splice in to. See below...
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I hope this helps you. If you have any more questions or need any more diagrams, please don't hesisitate to ask...Thanks again, JShreader.

Mar 31, 2009 | 2008 Chevrolet Tahoe

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