Engine Speed Power Take-Off Control Module Replacement

WARNING: This page is about a different car, the 2008 GMC Sierra, 2008 GMC Cab & Chassis Sierra, 2008 Chevrolet Silverado, and 2008 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Engine Speed Power Take-Off Control Module

Courtesy of GENERAL MOTORS CORP.

Callout	Component Name
Preliminary Procedure: Raise the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.
1	Power Take Off (PTO) Module Bolts (Qty: 3) NOTE: Refer to Fastener Notice in Cautions and Notices. Tighten: 9 N.m (80 lb in) Procedure Install/remove the PTO module to/from the frame with the bolts loosely threaded into the module. Bolt heads should pass through the holes in the frame. Position the PTO module so that the bolts engage the narrow slots in the frame before tightening the bolts Tip: It is not necessary to fully remove the PTO module bolts from the module except when transferring the bolts to a new module.
2	PTO Module Procedure Disconnect the electrical connector from the PTO module. New PTO module must be programed. Refer to Control Module References .

Callout

Component Name

Preliminary Procedure:
Raise the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.

Power Take Off (PTO) Module Bolts (Qty: 3)

NOTE: Refer to Fastener Notice in Cautions and Notices.

Tighten: 9 N.m (80 lb in)

Procedure

Install/remove the PTO module to/from the frame with the bolts loosely threaded into the module.
Bolt heads should pass through the holes in the frame.
Position the PTO module so that the bolts engage the narrow slots in the frame before tightening the bolts

Tip: It is not necessary to fully remove the PTO module bolts from the module except when transferring the bolts to a new module.

PTO Module

Procedure

Disconnect the electrical connector from the PTO module.
New PTO module must be programed. Refer to Control Module References .