DTC P1639 Buick
Loss of Vehicle Immobilizer Module Communications
Loss of Vehicle Immobilizer Module Communications
Description
Key on or engine running; and a module detected that it could not communicate with the VIM controller for 1 second. Modules connected to the Class 2 circuit monitor for data communications during normal vehicle operation. Operating information and command
Video Guide
Diagnostic Info
- DTC Code: P1639
- Brand: Buick