Where is the transmission control module located?

Tiny
HEALING GROUNBREAKER
  • MEMBER
  • 2001 CHEVROLET SILVERADO
  • 6.0L
  • V8
  • 4WD
  • AUTOMATIC
  • 170,000 MILES
Attempting to find the location of the transmission control module in a 2001 2500 Silverado 6.0. Truck acts as if it is stuck in second gear then will not shift, so I believe this may be the cause of the problem, therefore I would like to do some attempted resets of the TCM before it gets replaced.
Friday, January 24th, 2025 AT 6:38 PM

1 Reply

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 110,176 POSTS
Hi,

Two different transmissions were used. However, I believe both were mounted to the fan shroud (near the battery side). See pics below. There should be a cover over it to eliminate heat from the engine.

Let me know if this helps.

Take care,

Joe

See pics below.
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Friday, January 24th, 2025 AT 6:54 PM

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