Envoy 2WD V8-5.3L (2007)
Cruise Control: Symptom Related Diagnostic Procedures
Symptoms - Cruise Control
Symptoms - Cruise Control
Important: Perform the Diagnostic System Check - Vehicle, before using the symptom diagnostic table 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
Review the system description and operation in order to familiarize yourself with the system functions. Refer to Cruise Control Description and
Operation (4.2L) Cruise Control Description and Operation (5.3L, 6.0L).
Visual/Physical Inspection
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Inspect for aftermarket devices which could affect the operation of the Cruise Control System.
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Inspect the easily accessible or visible system components for obvious damage or conditions which could cause the symptom.
Intermittent
Faulty electrical connections or wiring may be the cause of intermittent conditions. Refer to Testing for Intermittent Conditions and Poor Connections in
Diagnostic Aids. See: Testing and Inspection/Component Tests and General Diagnostics
Symptom List
Refer to a symptom diagnostic procedure from the following list in order to diagnose the symptom:
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Cruise Control Indicator Always On (4.2L) Cruise Control Indicator Always On (non 4.2L)
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Cruise Control Indicator Inoperative (4.2L) Cruise Control Indicator Inoperative (non 4.2L)
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Cruise Control Inoperative/Malfunctioning (4.2L) Cruise Control Inoperative/Malfunctioning (non 4.2L)
Cruise Control Indicator Always On (non 4.2L)
Cruise Control Indicator Always On (non 4.2L)
