Dorman 599-106 Transfer Case Control Module

Transfer Case Control Module Replacement

Restore transfer case control operation with this Dorman transfer case control module, part number 599-106. It is a cost-effective replacement for the original module and is built to deliver the same function and performance on specific vehicles.

Compatible With 1998-2002 Chevrolet Blazer, GMC Jimmy, and Oldsmobile Bravada applications equipped with the NP4 all wheel drive transfer case.

Key Features

• Direct replacement transfer case control module for specific GM AWD applications
• Green connector color for application-specific electrical connection
• Pin terminal type for factory-style interface
• Replacement module for vehicles originally equipped with the NP4 all wheel drive transfer case
• Dorman 599-106 for targeted transfer case control repair

Detailed Description

This Dorman transfer case control module is engineered as a replacement for the original unit when transfer case control is no longer functioning correctly. It is intended for 1999-2002 Chevrolet Blazer, 1999-2001 GMC Jimmy, and 1998-2001 Oldsmobile Bravada models with RPO code NP4. If you are searching for a transfer case control module for Chevrolet Blazer NP4 AWD, GMC Jimmy NP4 transfer case control, or Oldsmobile Bravada transfer case module replacement, part number 599-106 provides the needed OE-style function for the factory system.

This part cross-references 12577420 and TCCM11 for the same application.

What It Helps Fix

• Loss of transfer case control communication
• Inconsistent or inoperative AWD transfer case operation
• Faults caused by a failed original control module
• Factory transfer case control issues on NP4-equipped GM SUVs
• Need for a direct replacement module during electrical diagnosis

Installation Notes and Tips

Verify the vehicle has RPO code NP4 before ordering. Match the connector color and terminal type to the original module, and confirm all related transfer case wiring and system inputs are in good condition before installation. After replacement, clear any stored diagnostic trouble codes and test transfer case operation through the full range of system functions.

Quality Assurance

Dorman replacement electronics are built to provide the same function and performance as the original part on listed applications. Part number 599-106 is a targeted replacement for specific Chevrolet, GMC, and Oldsmobile AWD transfer case systems.