FixVault
Home
›
Chevrolet
›
2007
›
Uplander Base, 3.9 1
›
Repair and Diagnosis
›
Body & Frame
›
Ignition Switch/Steering Lock
›
Immobilizer System
›
Diagnostic Information and Procedures
›
DTC B3031
›
Notes
DTC B3031: Notes
Fig 1: Anti-Theft Circuit
Courtesy of GENERAL MOTORS CORP.