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Diagnostic Starting Point - Power Take-Off (PTO): Notes

WARNING: This page is about a different car, the 2004 GMC Sierra, 2004 GMC Cab & Chassis Sierra, 2004 Chevrolet Silverado, and 2004 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
IMPORTANT: The following steps must be completed before using the symptom tables.
  1. Perform the Power Take-Off (PTO) Diagnostic System Check before using the Symptom Tables in order to verify that all of the following are true:

    Refer to Diagnostic System Check - Power Take-Off (PTO) .

    • There are no DTCs set.
    • The control module(s) can communicate via the serial data link.
  2. Review the system Description and Operation in order to familiarize yourself with the system functions. Refer to Power Take-Off (PTO) Description and Operation .
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