Computer problems

Computer: Engine Control Unit. It regulates all the aspects related to the engine's proper functioning.
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What shoes in the dash that would not let my computer come on and work

Chevrolet Tahoe 2001 Tahoe 19000 miles
What shoes in the dash where I plug my computer in with will not let my computer work and can be diagnostic
Bigleroy from United States 2 years ago  
BI
1 report 

What to use would cause my computer that plug it under the dash not to

Chevrolet Tahoe 2001 Tahoe 19000 miles
When I plug my computer in under the dash it does not come on what fuse would cause that not to work
Bigleroy from United States 2 years ago  
BI

Check engine SolvedSolved

Chevrolet Tahoe 2007 Chevy 177969 miles
Problemas con el codigo P0455
Jjcortes13 from United States 9 months ago  
JJ
Rank 1
1 reply 
Solved
Best answer (according to Jjcortes13)
Jjcortes13 from United States 9 months ago
Problema resuelto codigo p0455
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What fuse in the fuse box in the dash on a 2001 Tahoe will not let my

Chevrolet Tahoe 2001 Tahoe 199000 miles
2001 Chevy Tahoe fuse box which fuse will not allow computer to come on and give me Diagnostics that you plug in under the dash
Bigleroy from United States 2 years ago  
BI
1 reply 
Aaron from United States a year ago
Try the cigar fuse. I believe that fuse controls the obd ll port
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Engine won't turn over

Chevrolet Tahoe 2002 Tahoe 5.3  334000 miles
My oil pump went out so I Did a motor swap with a '01 5.3liter motor ran good no smoke but now once the motor is in and all, the motor won't even turn over. Is there anything I must do like reset computer or turn ignition on off on off push break left blinker. Up up down down left right left right B A select start???
Tiny dancer from United States 8 months ago  
TI
1 report 

Class 2 communication error

Chevrolet Tahoe 2006 LT/5.3l 223000 miles
This error stays consistently on the obd tester but only affects the truck every so often where it will turn off the radio and the hvac and cluster will shut down. When it comes back it goes through an initialization of unlocking and locking the doors then the cluster comes back reading things like service 4x4 and service stability. Only happens about 5-10 times a year for the last 5 years. I just really need help finding the wiring diagrams for this. Thanks
Tasha the Tahoe from United States a year ago  
TA
1 report 
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