Question about 1989 GMC Suburban

1 Answer

Where is the VSS (vehicle speed sensor)? OBD gives me #24

Tranny has only one wiring connector for the lockup torque converter, tailshaft at rear of transfer case has only mech speedo cable .speedometer is aok as verified by police radar.....where the hell is this VSS?

Posted by on

  • addisu Mar 27, 2009

    I get the same OBD #24 ,it happens when i get off the gas pedal ,because i dont know where to find vss,help if u can thanks.

×

1 Answer

  • Level 2:

    An expert who has achieved level 2 by getting 100 points

    MVP:

    An expert that got 5 achievements.

    Governor:

    An expert whose answer got voted for 20 times.

    Scholar:

    An expert who has written 20 answers of more than 400 characters.

  • Expert
  • 60 Answers

Hello! On 94 and earlier models it is located behind the glove box or close to the ECM. Cheers! Ryan

Posted on Jun 11, 2009

Add Your Answer

Uploading: 0%

my-video-file.mp4

Complete. Click "Add" to insert your video. Add

×

Loading...
Loading...

Related Questions:

1 Answer

99 Grand Am VSS location


Vehicle Speed Sensor (VSS)
At the rear of the engine/transaxle
Connector Part Information
?€¢
12162195


?€¢
2-Way F Metri-Pack 150.2 Series Pull to Seat Sealed (BLK)

Pin
Wire Color
Circuit No.
Function
A
PPL
401
Vehicle Speed Sensor (VSS) Return
B
YEL
400
Vehicle Speed Sensor (VSS) Signal
Two wire connector !

Aug 09, 2016 | Cars & Trucks

1 Answer

What does BMW 528i code p0500 senor A means?


The P0500 code indicates a problems with the ABS system. If you have recently replaced wheel sensors, it sounds like one or more may be disconnected or flaky.

From datsc.com:
What does this mean? OBD Code P0500refers to
Basically this means that the vehicle's speed as read by the Vehicle Speed Sensor (VSS) is not working properly.
Symptoms Possible sumptoms of OBD code P0500
loss of anti-lock brakes the "anti-lock" or "brake" warning lamps on the dash may be lit the speedometer or odometer may not work properly (or at all) your vehicle's RPM limiter may be decreased the shifting of an automatic transmission may become erratic other symptoms may also be present
Causes Possible causes of OBD code P0500
A code P0500 may mean that one or more of the following has happened: The Vehicle Speed Sensor (VSS) is not reading (functioning) properly There is a broken/frayed wire leading to the vehicle speed sensor The vehicle's PCM is not correctly configured for the actual tire size on the vehicle
Possible Solutions The simplest thing to do is to reset the code and see if it comes back. Next, check all wiring and connectors that lead to the speed sensor. The location of the sensor depends on your vehicle. The sensor could be on the rear axle, transmission, or perhaps the wheel hub (brake) assembly. If the wiring and connectors are OK, then check the voltage at the speed sensor. Again, the exact procedure will depend on your make and model of vehicle. If everything looks OK, replace the sensor.

Feb 13, 2015 | 2000 BMW 528i

1 Answer

Where is theTransmission Speed Sensor location on 1995 escort lx wagon?


Some of the trannys do not have the fill plug feature. On these trannys, you have to fill through the Vehicle Speed Sensor location (VSS). This is not fun. The VSS is located on the firewall side of the tranny, about in the middle of the tranny, down low. You can barely see it and reach it from the top of the engine compartment on the driver\'s side. You have to disconnect the VSS wire connector. Then, remove the VSS retaining bolt - this is a 10mm hex-head bolt in the tranny near the base of the VSS. The VSS must finally be pried carefully out of the case. Tranny fluid is filled through the VSS hole until full. Re-install the VSS and hook up the connector when complete. Have a box of Band-Aids ready.







If you have to change the fluid because you pulled the tranny, do yourself the favor of removing the speed sensor when the tranny is OUT of the vehicle. Then you can change the O-ring as well. Much easier not to damage the VSS which is a $60+ part to replace.

Aug 12, 2014 | Cars & Trucks

1 Answer

Cannot find vehicle speed sensor. Location on tailshaft housing has a factory installed plate covering it. Also,cannot find wire loom or connector for it. What the?


E150?

Vehicle Speed Sensor The Vehicle Speed Sensor (VSS) (Figure 36) is a variable reluctance or Hall effect type sensor that generates waveform with a frequency that is proportional to the speed of the vehicle. If the vehicle is moving at a relatively low velocity, the sensor produces a signal with a low frequency. As the vehicle velocity increases, the sensor generates a signal with a higher frequency. The PCM uses the frequency signal generated by the VSS (and other inputs) to control such parameters as fuel injection, ignition timing, transmission/transaxle shift scheduling and torque converter clutch scheduling.

a20893a.gif
Typical VSS

Yours is mounted on the rear axle at the differential (pig).

wires are:

Red/Pink

LG/BK

Aug 03, 2011 | 1996 Ford Econoline

1 Answer

Can you tell me where vechile speed sencor 'A' is on my focus st the fault code is P0500


P0500 Vehicle Speed Sensor "A"
P0501 Vehicle Speed Sensor "A" Range/Performance
P0502 Vehicle Speed Sensor "A" Circuit Low Input
P0503 Vehicle Speed Sensor "A" Intermittent/Erratic/High
Vehicle Speed Sensor Removal & Installation Automatic Transmission To Remove:
  1. Remove or disconnect the following:
    • Output shaft speed (OSS) sensor electrical connector.
    • Bolt and OSS sensor
To Install:
  1. Apply a light coat of petroleum jelly to the O-ring before installation
  2. Install or connect the following:
    • OSS sensor torque bolt to 89 in-lbs (10 Nm)
    • OSS sensor electrical connector
Manual Transmission To Remove:
  1. Remove or disconnect the following:
    • Vehicle Speed Sensor (VSS) electrical connector.
    • Retaining pin.
    • VSS.
To Install:
  1. Install or connect the following:
    • VSS.
    • Retaining pin.
    • VSS connector.
---
The VSS is on the transmission near the output shaft. It will not be a wheel speed sensor on the hub.

Good luck on this repair, tommy.

Nov 06, 2010 | 2006 Ford Focus

1 Answer

Where is the location of the speed sensor on the 1999 v10 triton f250? Why does my speedo not work?


VSS Sensor The Vehicle Speed (VSS) Sensor input is used by the PCM to determine vehicle speed. The VSS generates a signal that increases in frequency proportionate to vehicle speed. The PCM has a base frequency stored in memory for a distance of one mile. By comparing the input and stored value, the PCM calculates vehicle speed.
VSS types include: photo-optic, permanent magnet generators or hall effect technology. The PCM may use other sensors on the vehicle (ABS Wheel Speed) to validate VSS operation.
VSS information is used to calculate vehicle loads including: torque converter application, cruise control, fuel cutoff/speed governance strategies, instrument panel speedometer and more.
Modified drivetrain components such as final gear sets and/or tires can alter VSS input values to the PCM. Improper signals can alter Torque Converter Clutch (TCC) application, shift points, cruise control operation as well as many other systems relying on vehicle speed input.
Typical VSS comp-00-00-636.gif

WARNING
To avoid personal injury and/or vehicle damage, refer to the service precautions at the beginning of this section.

---
The Speedometer may not work due to a break in the wire for the VSS, or a bad VSS or a bad instrument cluster.

Oct 08, 2010 | Ford F-250 Cars & Trucks

1 Answer

Speed sensor


the speed sensor (VSS) is typically a small component in the transmission w/ a gear at one end and a wire connector receptacle at the other. the geared end is driven by a final-drive gear inside the transmission which is usually located in the tailshaft of the trans. The gear spins relative to drive-wheel speed, which is converted to an electrical signal and relayed to the vehicle on-board computer. The signal is then sent out in various directions to be utilized by the speedometer, transmission, cruise control, and others

Sep 29, 2009 | 1998 Jeep Grand Cherokee

1 Answer

Broken speedometer on 1997 ford explorer


does your cruise control work? If not, check the wiring from the VSS to the speedo cluster. Check VSS connector closely for pin pudhout or corrosion

Sometimes, the VSS siganl is converted by the instrument cluster and sent to the PCM and speedo.

Check engine light on?


Speedometer
The electronic speedometer (17255) receives a speed signal from the vehicle speed sensor (VSS) (9E731). This sensor is also used to sense vehicle speed for the engine management system and to regulate the cruise control when equipped.
----------------------------------------------------------------------------------
Vehicle Speed Sensor The Vehicle Speed Sensor (VSS) (Figure 53) is a variable reluctance or Hall-effect type sensor that generates a waveform with a frequency that is proportional to the speed of the vehicle. If the vehicle is moving at a relatively low velocity, the sensor produces a signal with a low frequency. As the vehicle velocity increases, the sensor generates a signal with a higher frequency. The PCM uses the frequency signal generated by the VSS (and other inputs) to control such parameters as fuel injection, ignition control, transmission/transaxle shift scheduling and torque converter clutch scheduling.

May 12, 2009 | 1997 Ford Escort

3 Answers

1999 ford expedition - transmission slip?


the flashing O/D light usually means you have a bad speed sensor that sends speed info to the engine & trans computer.

Vehicle Speed Sensor The vehicle speed sensor (VSS) (Figure 42) is a variable reluctance or Hall-effect sensor that generates a waveform with a frequency that is proportional to the speed of the vehicle. If the vehicle is moving at a relatively low velocity, the sensor produces a signal with a low frequency. As the vehicle velocity increases, the sensor generates a signal with a higher frequency. The PCM uses the frequency signal generated by the VSS (and other inputs) to control such parameters as fuel injection, ignition control, transmission/transaxle shift scheduling and torque converter clutch scheduling.
-------------------------------------------------------------------
Vehicle Speed Sensor The vehicle speed sensor (VSS) (Figure 42) is a variable reluctance or Hall-effect sensor that generates a waveform with a frequency that is proportional to the speed of the vehicle. If the vehicle is moving at a relatively low velocity, the sensor produces a signal with a low frequency. As the vehicle velocity increases, the sensor generates a signal with a higher frequency. The PCM uses the frequency signal generated by the VSS (and other inputs) to control such parameters as fuel injection, ignition control, transmission/transaxle shift scheduling and torque converter clutch scheduling.

-------------------------------------------
Some trans use an OSS, Output Shaft Sensor instead of a VSS. Depends on which trans you have, 4R100 or 4R70W

Transmission Control Switch (TCS) and Transmission Control Indicator Lamp (TCIL)
The transmission control switch (TCS) is a momentary contact switch. When the switch is pressed, a signal is sent to the powertrain control module (PCM) to allow automatic shifts from first through fourth gears or first through third gears only. The PCM energizes the transmission control indicator lamp (TCIL) when the switch is off.

The TCIL indicates overdrive cancel mode activated (lamp on) and electronic pressure control (EPC) circuit shorted (lamp flashing) or monitored sensor failure.

Output Shaft Speed (OSS) Sensor
The output shaft speed (OSS) sensor is a magnetic pickup, located at the output shaft ring gear, that sends a signal to the powertrain control module (PCM) to indicate transmission output shaft speed. The OSS is used for torque converter clutch control, shift scheduling and to determine electronic pressure control.

Apr 18, 2009 | 1998 Ford Expedition

2 Answers

TRANSMISSION/TACHOMETER


Mounted on top of the rear differential housing,facing up and slightly forward is a speed sensor that is common to go bad,this is the Vehicle Speed Sensor (VSS).Replacing it is pretty easy,or it can be tested.There is also a PSOM mounted up under the dash (Programmable Speedometer Odometer Module),and these also are known to go bad.Ideally,a scan tool would be available to look at the VSS reading in the data stream.If the vehicle computer is SEEING a constant and steady vehicle speed signal FROM the VSS,then you know the VSS is functioning properly,and the problem will likely be with the PSOM.If the vehicle computer is NOT seeing a vehicle speed signal from the VSS,then you know it's a bad VSS or the wires to and from it.Good Luck.

Sep 27, 2008 | 1993 Ford F350

Not finding what you are looking for?
Cars & Trucks Logo

Related Topics:

373 people viewed this question

Ask a Question

Usually answered in minutes!

Top GMC Experts

yadayada
yadayada

Level 3 Expert

60792 Answers

Colin Stickland
Colin Stickland

Level 3 Expert

21949 Answers

Jeff Turcotte
Jeff Turcotte

Level 3 Expert

6811 Answers

Are you a GMC Expert? Answer questions, earn points and help others

Answer questions

Manuals & User Guides

Loading...