On my 1999 Chevy silverado 1500 44 Z71 my speedometer dosent work and the transmission dosent shift

170

Asked by Sep 12, 2014 at 11:39 PM about the 1999 Chevrolet Silverado 1500 3 Dr LT 4WD Extended Cab LB

Question type: Maintenance & Repair

Speedometer doesent work and transmission does not shift

15 Answers

32,795

Could be a bad transmission. Check your fluid level and color.

2 out of 2 people think this is helpful.
Best Answer
170

Can it be the speed sensor?

2 out of 2 people think this is helpful.
32,795

It well could be. By chance, do you have any warning lights on? What makes you think that it's the speed sensor?

1 out of 1 people think this is helpful.
170

Check Engine Light and ABS light are both on

1 out of 1 people think this is helpful.
170

Yes the check engine & the ABS lights are on

2 out of 2 people think this is helpful.
17,645

Speed sensor is bad

8 out of 8 people think this is helpful.
62,905

Yup, I believe Andrew has nailed it. Check or replace the vehicle speed sensor. HTH. -Jim

1 out of 1 people think this is helpful.
170

Where is the speed sensor located on the 1999 Chevrolet 1500 Silver Rado

4 out of 4 people think this is helpful.
170

On my 1999 Chevy Silverado 1500 4 x 4 Z 71 can you please tell me where the speed sensor is located

3 out of 3 people think this is helpful.
62,905

It's mounted on the transmission. It's NAPA part number TSS203. There's also a vehicle speed sensor that mounts at the wheel. It's part number is VSS239. The first number is referred to as a transmission speed sensor. HTH. - Jim

2 out of 2 people think this is helpful.
170

On my 1999 Chevy Silverado 1500 4 x 4 Z 71 you told me that my speed sensor was bad, I sent you back a question and ask you where was the speed sensor located you said that the transmission speed sensor was located on the transmission and that there was a Nother speed sensor located

1 out of 1 people think this is helpful.
170

Okay on my 1999 Chevy Silverado 1500 4 x 4 Z 71 you told me into answers that it was a bad speed sensor then you said that there was a transmission? speed sensor located on the transmission where is it on the transmission find rear top bottom where? This one was called a HTH sensor then you said it could be a speed sensor that was mounted at the wheel where would we owe what it be mounted at and can you give me a better idea of where it is ? Which sensor between these two would make the speedometer not were or the truck not shift

4 out of 4 people think this is helpful.
62,905

Is your check engine light on? If so that will tell us which sensor you need. HTH. -Jim

1 out of 1 people think this is helpful.
62,905

My guess is that it's the wheel mounted sensor. Since the transmission isn't shifting it sounds to me like the computer doesn't know the truck is moving. Hence the speedometer not registering. HTH. -Jim

I got the same problem on my truck today I was hooking up a stereo in my some of the lights went off on the cluster and my speedometer is not working also

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