Symptom - Transfer Case
Symptoms - Transfer CaseImportant: The following steps must be completed before using the symptom tables.
1. Perform the Diagnostic System Check - Transfer Case before using the Symptom Tables in order to verify that all of the following are true:
^ There are no DTCs set.
^ The control module(s) can communicate via the serial data link.
2. Review the system operation in order to familiarize yourself with the system functions.
Visual/Physical Inspection
^ Inspect for aftermarket devices, which could affect the operation of the automatic transfer case system.
^ Inspect the easily accessible or visible system components for obvious damage or conditions, which could cause the symptom.
^ Inspect the automatic transfer case for the proper fluid level.
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:
^ Transfer Case Shift Control Switch Inoperative
Shift Control Switch Inoperative
^ Transfer Case Shift Control Switch Indicator Lamps Always On - Two or More
Shift Control Switch Indicator Lamps Always On - Two or More
^ Transfer Case Shift Control Switch Indicator Lamps Inoperative - One or More
Shift Control Switch Indicator Lamps Inoperative - One or More
^ Transfer Case Shift Control Switch Indicator Lamps Flash Continuously
Shift Control Switch Indicator Lamps Inoperative - One or More