Transfer Case - BW 4482-NR4

Symptoms - Transfer Case

Important:
^ Perform the Transfer Case Diagnostic System Check before using the Symptom Tables in order to verify that the following statements are true:
- DTCs are not set.
- The control modules can communicate via the serial data link.
^ 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
^ Transfer Case Shift Control Switch Indicator Always On - Two or More
^ Transfer Case Shift Control Switch Indicator Flashes, then Returns to Previous Mode
^ Transfer Case Shift Control Switch Indicator Inoperative - One or More
^ Service Indicator Always On
^ Service Indicator Inoperative
^ Transfer Case Popping Noise
^ Transfer Case Whine or Rumble Noise
^ Transfer Case Growl or Grinding Noise
^ Transfer Case Clunk in 4LO Lock
^ Transfer Case Clunk during Acceleration and Deceleration
^ Transfer Case Shudder or Binding
^ Transfer Case Will Not Shift
^ Transfer Case Jumps Out of Gear
^ Transfer Case Leak Diagnosis