Section 416 (Transfer Case - NVG 246-NP8)
WARNING: This page is about a different car, the 2004 GMC Yukon XL, 2004 GMC Yukon, 2004 Chevrolet Tahoe, 2004 Chevrolet Suburban, and 2004 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.
- Specifications
- Schematic and Routing Diagrams
- Component Locator
- Diagnostic Information and Procedures
- Diagnostic Starting Point - Transfer Case
- Diagnostic System Check - Transfer Case
- Scan Tool Output Controls
- Scan Tool Data List
- Scan Tool Data Definitions
- Diagnostic Trouble Code (DTC) List
- DTC B0790: Transfer Case Neutral Indicator Circuit
- DTC B2725: Active Transfer Case (ATC) Mode Switch Circuit
- DTC C0300: Rear Propshaft Speed Sensor
- DTC C0305: Front Propshaft Speed Sensor/System Performance
- DTC C0306: Motor A or B Circuit
- DTC C0321: Transfer Case Lock Circuit
- DTC C0327: Encoder Circuit
- DTC C0359: Four Wheel Drive Low Range (4LO) Discrete Output Circuit
- DTC C0374: General System Performance
- DTC C0379: Front Axle System
- DTC C0550: ECU Malfunction
- Symptoms - Transfer Case
- Front Axle Will Not Engage
- Front Axle Will Not Disengage
- Transfer Case Shift Control Switch Inoperative
- No Correction for Slip in AWD Mode
- Service Indicator Always On
- Service Indicator 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 Indicators Flash Continuously 15 Seconds or More
- Transfer Case Shift Control Switch Indicator Inoperative - One or More
- Transfer Case Popping Noise
- Transfer Case Whine or Rumble Noise
- Transfer Case Growl or Grinding Noise
- Transfer Case Grating Noise
- Transfer Case Clunk in 2HI Only
- Transfer Case Clunk in 4HI
- Transfer Case Clunk in 4LO
- 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
- Repair Instructions
- Transfer Case Shield Replacement
- Transfer Case Fluid Replacement
- Transfer Case Encoder Motor Replacement
- Encoder Motor Sensor Replacement
- Transfer Case Speed Sensor Replacement - Front
- Transfer Case Speed Sensor Replacement - Left Rear
- Transfer Case Speed Sensor Replacement - Right Rear
- Transfer Case Output Shaft Seal Replacement - Front
- Transfer Case Output Shaft Seal Replacement - Rear
- Transfer Case Assembly Replacement
- Transfer Case Input Shaft Seal Replacement
- Transfer Case Adapter Replacement
- Transfer Case Shift Control Switch Replacement
- Transfer Case Shift Control Module Replacement
- Transfer Case Control Module Reprogramming
- Description and Operation
- Special Tools and Equipment