Silverado 1500 4WD V8-5.3L VIN T (2004)
Power Take-Off: Initial Inspection and Diagnostic Overview
Diagnostic Starting Point
DIAGNOSTIC STARTING POINT - POWER TAKE-OFF (PTO)
IMPORTANT: The following steps must be completed before using the symptom tables.
1. Perform the Power Take-Off (PTO) Diagnostic System Check emphasis 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).
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There are no DTCs set.
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The control module(s) can communicate via the serial data link. See: Diagnostic System Check
2. Review the system Description and Operation in order to familiarize yourself with the system functions. Refer to emphasis 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 emphasis
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Engine RPM Does Not Increase With Power Take-Off Engaged emphasis
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Power Take-Off Indicator Inoperative emphasis
Diagnostic System Check
DIAGNOSTIC SYSTEM CHECK - POWER TAKE-OFF (PTO)
TEST DESCRIPTION