Silverado 1500 4WD V8-5.3L VIN Z Flex Fuel (2005)
Power Take-Off: Initial Inspection and Diagnostic Overview
DIAGNOSTIC STARTING POINT
IMPORTANT: The following steps must be completed before using the symptom tables:
1. Perform the Diagnostic System Check - Vehicle in Vehicle DTC Information, before using the Symptom Tables in order to verify that all of the
following are true:
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There are no DTCs set.
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The control modules can communicate via the serial data link. See: Testing and Inspection/Initial Inspection and Diagnostic
Overview/Diagnostic System Check - Vehicle
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.
Visual/Physical Inspection
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Inspect the easily accessible and visible system components for obvious damage or conditions which could cause the symptom.
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Inspect the transmission for the proper transmission fluid level.
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Inspect the hydraulic reservoir for the proper hydraulic fluid level.
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Inspect the upfitter connections at the transmission.
Intermittent
Faulty electrical connections or wiring may be the cause of intermittent conditions.
Symptom List
Refer to a symptom diagnostic procedure from the following list in order to diagnose the symptom:
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Power Take-Off Does Not Engage
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Engine RPM Does Not Increase With Power Take-Off Engaged
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Power Take-Off Indicator Inoperative
