97 chevy silverado speedometer, tach, and gear lights on dash dont work as well as trans gets stuck in 2nd

fayardj

Newbie
Joined
Nov 1, 2021
Messages
2
Points
1
Make
chevy
Model
k1500
Year
1997
Miles
250000
Engine
5.7
just a few weeks ago my gauges have started to stop working intermittently and it seems like my transmission wont go out of 2nd gear. ill start the truck up and itll run perfectly fine but once it warms up to operating temp it seems like thats when it all goes out but sometimes its almost right after i start driving. codes im getting is p0154, p0740, p0753, p0758, p0785, p0151, and p0327. they all just came up at the same time. except the p0151. thats been an issue ive been trying to figure out for a while now
 

grcauto

Hero Member
Joined
May 29, 2014
Messages
906
Points
28
Can you look at live data?
 

billr

wrench
Staff member
Joined
Mar 12, 2007
Messages
7,286
Points
63
Check that the engine, chassis, and battery are all grounded together. You have several electrical issues that seem to be unrelated, and that always makes me suspect grounds.
 
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