DTC P129C Audi

Fuel Pressure Regulator 2 Control Circuit Low

Fuel Pressure Regulator 2 Control Circuit Low

Description

Evap purge valve Commanded off Engine relay, Commanded on

Cause and Solution

Check for signal, voltage and ground
Check harness for open or short
Check connector for damage.

Video Guide

Duration: PT3M53S | Uploaded: 2020-06-20

Diagnostic Info

  • DTC Code: P129C
  • Brand: Audi
Back to Blog