Code 24, VSS ?? - The 1947 - Present Chevrolet & GMC Truck Message Board Network

TB6587 · 11-22-2003, 12:44 PM

Hi All! Newbie to the board here looking for help.
I'm getting a code 24. My Haynes manual says thats a Vehicle speed sensor but not much more. I only get this code when I'm putting around mountain roads in 4 wheel drive. The truck doesnt seem to be running any different when the code comes up. Where is the VSS? Could someone shine some light on what could be causing this code?

Thanks,
Tim

Oh yea, the truck is a 87 GMC 3/4 ton 4X4. 350/TBI, Manual tranny

11-22-2003, 12:44 PM	#1
TB6587 Registered User Join Date: Nov 2003 Location: Washington Posts: 6	Code 24, VSS ?? Hi All! Newbie to the board here looking for help. I'm getting a code 24. My Haynes manual says thats a Vehicle speed sensor but not much more. I only get this code when I'm putting around mountain roads in 4 wheel drive. The truck doesnt seem to be running any different when the code comes up. Where is the VSS? Could someone shine some light on what could be causing this code? Thanks, Tim Oh yea, the truck is a 87 GMC 3/4 ton 4X4. 350/TBI, Manual tranny

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