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More here, but the TCM is not something you say "I think I'll put a new one in my car". You need an auto electrician or a transmission specialist to connect a scan tool computer and diagnose. The issue is more likely shift solenoids than the TCM.
Question edited for clarity.
Question moved to model category.
From what I gather from this video, it is a combined module ECM/TCM sharing the same box ECM on left and TCM on the right. There is a diagram showing it as well.
Chevy has 3 trucks with 1500 part of name but all 3 are no the same at all no car told. means no answer or wrong, nor country told,cars exported are not the same, ever.
code p 0700 refers to transmission control system/MIL---malfunction==== causes --TCM---wiring
check all connections and wiring condition or replace the TCM
code p 0717 refers to turbine shaft speed (TSS) sensor ---no signal====causes ---wiring---TSS sensor---ECM/TCM
logically the TSS reports to the TCM to facilitate ratio changes so if the wiring , connections etc are not good then one will affect the other
Take it to an accredited auto transmission specialist shop, have it properly diagnosed and a quote
do not confuse a TSS with a VSS sensor as they are two different speed sensors in the same box
The TCM is located in the right rear corner of the engine compartment. If you are buying a used TCM from a vehicle that has the same exact specifications, as yours then removal and instalation is easy. Disconnect battery, remove mounting screws and unplug electrical connections, and reverse. If you are buying a new TCM, make sure that the Dealership will sell you a preprogrammed unit. Unless a preprogrammed unit is available. it wont work. You will need to get the truck to the Dealership for this repair. Good luck.
The TCM is located on the fan shroud on the driver side of the truck. Its underneath a plastic cover but it's very easy to find. It is held on with two bolts at the top.
the TCM and the PCM are the same module.
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