Enter the error code and car brand
Vehicle engine and/or automatic transmission
Code: P1630 - The car’s internal reference voltage (Vref) system has a malfunction, which may affect the operation of electronic sensors and engine control.
DTC P1630 CITROEN
12.10.2025
3643
1 minute of reading
Video for "Error p1630" on YouTube
The following error codes are often searched for
Comments on the article