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Dorman 599-112 Transfer Case Control Module
| Brand | Dorman 599-112 |
|---|---|
| Connector Color | Black |
| Package Contents | Transfer Case Control Module |
| Terminal Type | Pin |
| Fits | Chevrolet and GMC · 7 vehicles |
Replacement module. Restores the same function and performance as the original.
Transfer case control. Manages transfer case operation with a direct-fit replacement design.
Black connector with pin terminals for straightforward electrical connection.
Cross-references 12575184 for the same application. See all 1.
Transfer Case Control Module for 2007 GM SUVs
Dorman 599-112 is a replacement transfer case control module for select 2007 Chevrolet and GMC trucks and SUVs with RPO code NP8 and a 2-speed push-button shift transfer case. It restores the control function of the original module with a direct-fit service part for the listed applications.
Key Features
- Replacement transfer case control module for electronic 4WD operation
- Built for select 2007 Chevrolet Avalanche, Suburban, Tahoe, and GMC Yukon applications
- Black connector color with pin terminal type
- Direct replacement for OE part number 12575184
- Package contents: transfer case control module
Detailed Description
This Dorman transfer case control module, part number 599-112, is made for vehicles equipped with the NP8 2-speed push-button shift transfer case. It is a practical OE-style replacement for 2007 Chevrolet Avalanche, Suburban 1500, Suburban 2500, Tahoe, and 2007 GMC Yukon, Yukon XL 1500, and Yukon XL 2500 models. If the original module is no longer controlling transfer case operation correctly, this replacement restores the same function and performance expected from the factory unit.
This part cross-references OE number 12575184 for the same application.
What It Helps Fix
- Transfer case shift commands not responding
- Intermittent or failed 4WD mode selection
- Loss of electronic control for the 2-speed push-button transfer case
- Faults related to the original transfer case control module
- Restoration of factory-style transfer case operation on NP8-equipped vehicles
Installation Notes and Tips
Verify the vehicle has RPO code NP8 and a 2-speed push-button shift transfer case before ordering. Confirm connector style, terminal type, and OE part number match the original module. After installation, follow the vehicle’s relearn or calibration procedure if required by the service manual.
Quality Assurance
Dorman replacement electronics are engineered to match the function of the original component on the listed applications. Part number 599-112 is built for direct replacement use on the specified Chevrolet and GMC models.
| Year | Make | Model | Drive Type | Position | Notes |
|---|---|---|---|---|---|
| 2007 | Chevrolet | Avalanche | 4WD | N/A | Fits vehicles with RPO Code NP8 for 2 Speed Push Button Shift Transfer Case. |
| 2007 | Chevrolet | Suburban 1500 | 4WD | N/A | Fits vehicles with RPO Code NP8 for 2 Speed Push Button Shift Transfer Case. |
| 2007 | Chevrolet | Suburban 2500 | 4WD | N/A | Fits vehicles with RPO Code NP8 for 2 Speed Push Button Shift Transfer Case. |
| 2007 | Chevrolet | Tahoe | 4WD | N/A | Fits vehicles with RPO Code NP8 for 2 Speed Push Button Shift Transfer Case. |
| 2007 | GMC | Yukon | 4WD | N/A | Fits vehicles with RPO Code NP8 for 2 Speed Push Button Shift Transfer Case. |
| 2007 | GMC | Yukon XL 1500 | 4WD | N/A | Fits vehicles with RPO Code NP8 for 2 Speed Push Button Shift Transfer Case. |
| 2007 | GMC | Yukon XL 2500 | 4WD | N/A | Fits vehicles with RPO Code NP8 for 2 Speed Push Button Shift Transfer Case. |
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