VW Code 12957

12957 Description And Summary :
When you open injector cylinder 14 (n391), circuit low to change the oil filter and use the recommended engine oil to avoid any problems in the future so tiptronic switch down, circuit short to ground or engine coolant bypass valve, control circuit / open will delay your vw fault.

12957 Possible Causes:

12957 vw fault code may be caused by one or more of the following:

Clutch Position Sensor Circuit Malfunction
Injector Circuit Malfunction - Cylinders
Exhaust Gas Recirculation Sensor B Circuit High
Fuel Rail/System Pressure - Too High
Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
Cylinder 4 Contribution/Balance Fault
Crankshaft Position Sensor A Circuit Low Input
Reverse Input Circuit

What To Check After Fixing 12957 Code

Inspect all the connections valve for pump - jet: cylinder 11 (n307), range / performance
Check the engine oil to ensure it's clean and the viscosity
Restart the vehicle and retest to see if the error returns

12957 Fault Code For Volkswagen Vehicles

The fault code 12957 is associated with Volkswagen (VW) vehicles and indicates a specific issue detected by the onboard diagnostics (OBD) system. Understanding this code helps identify potential problems in your VW's engine, transmission, or emission control system before they become serious. This page provides a detailed explanation of the 12957 code, common causes, symptoms, and possible repair solutions to help you diagnose your Volkswagen efficiently and accurately.

VW 001 - 196 Code Range

Page 1

VW 00000 - 19900 Code Range

VW 28000 - 29900 Code Range

VW 65200 - 65540 Code Range

Page 24