Section 1435 (Transfer Case - NVG 226-NP8)
WARNING: This page is about a different car, the 2004 GMC Envoy XUV, 2004 GMC Envoy XL, 2004 GMC Envoy, and 2004 Chevrolet TrailBlazer. 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 B0770: All Wheel Drive (AWD) Indicator Circuit
- DTC B0775: Four Wheel Drive High Range (4HI) Indicator Circuit
- DTC B0780: Four Wheel Drive Low Range (4LO) Indicator Circuit
- DTC B0785: Two Wheel Drive High Range (2HI) Indicator Circuit
- DTC B0790: Transfer Case Neutral Indicator Circuit
- DTC B2725: ATC Mode Switch Circuit Malfunction
- DTC C0300: Rear Speed Sensor Malfunction
- DTC C0305: Front Speed Sensor Malfunction
- DTC C0306: Motor A or B Circuit
- DTC C0321: Transfer Case Lock Circuit
- DTC C0327: Encoder Circuit Malfunction
- DTC C0359: Four Wheel Drive Low Range (4LO) Discrete Output Circuit
- DTC C0374: General System Malfunction
- 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
- 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
- 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 Grating Noise
- Transfer Case Clunk in 2HI Only
- Transfer Case Clunk in 4HI
- Transfer Case Clunk in 4LO
- Transfer Case Shudder or Binding
- Transfer Case Leak Diagnosis
- Repair Instructions
- Transfer Case Shift Control Module Replacement
- Transfer Case Control Module Reprogramming
- Transfer Case Fluid Replacement (TrailBlazer, Envoy, Rainier, Bravada)
- Transfer Case Fluid Replacement (TrailBlazer EXT, Envoy XL, Envoy XUV)
- Transfer Case Motor/Encoder Replacement (TrailBlazer, Envoy, Rainier, Bravada)
- Transfer Case Motor/Encoder Replacement (TrailBlazer EXT, Envoy XL, Envoy XUV)
- Transfer Case Speed Sensor Replacement - Front (TrailBlazer, Envoy, Rainier, Bravada)
- Transfer Case Speed Sensor Replacement - Front (TrailBlazer EXT, Envoy XL, Envoy XUV)
- Transfer Case Speed Sensor Replacement - Left Rear
- Transfer Case Speed Sensor Replacement - Right Rear
- Transfer Case Output Shaft Seal Replacement - Front (TrailBlazer, Envoy, Rainier, Bravada)
- Transfer Case Output Shaft Seal Replacement - Front (TrailBlazer EXT, Envoy XL, Envoy XUV)
- Transfer Case Output Shaft Seal Replacement - Rear
- Transfer Case Assembly Replacement (TrailBlazer, Envoy)
- Transfer Case Input Shaft Seal Replacement
- Transfer Case Adapter Replacement
- Transfer Case Shift Control Switch Replacement (GMC, Buick)
- Transfer Case Shift Control Switch Replacement (Chevrolet)
- Description and Operation
- Special Tools and Equipment