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Engine Speed Power Take-Off Control Module Replacement

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2018 GMC Sierra 3500 HD, 2018 GMC Sierra 2500 HD, 2018 GMC Sierra 1500, 2018 Chevrolet Silverado 3500 HD, and 2018 Chevrolet Silverado 2500 HD. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Engine Speed Power Take-Off Control Module Component Location
GM3983036Courtesy of GENERAL MOTORS COMPANY
Callout Component Name
Preliminary Procedure 
Disconnect the harness connectors.
1 Engine Speed Power Take-Off Control Module Bolt (Qty: 3)
CAUTION:

Refer to Fastener Caution .


Tighten 
9 N.m (80 lb in)
2 Engine Speed Power Take-Off Control Module

Procedure