Enter the error code and car brand
Vehicle engine and/or automatic transmission
Code: P1639 - The sensor supply voltage in circuit B is malfunctioning, meaning part of your car’s sensor system isn’t getting the correct power it needs.
DTC P1639 BUICK
22.09.2025
4210
1 minute of reading
Video for "Error p1639" on YouTube
The following error codes are often searched for
Comments on the article