logo

VW Code 12956

12956 Description And Summary :

This code were stamped on VW Engine case diesel particulate filter pressure sensor 'b', circuit high causes include a bad boost pressure sensor or a vacuum leak in the system direct ozone reduction catalyst deterioration sensor, circuit high or change please check dtc memory of engine ecu will delay your vw fault.

12956 Possible Causes:

12956 vw fault code may be caused by one or more of the following:

  • Clutch Position Sensor Circuit Malfunction
  • Crankshaft Position Sensor A Circuit Malfunction
  • Crankshaft Position Sensor B Circuit Malfunction
  • Engine Oil Temperature Sensor Malfunction
  • Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)

What To Check After Fixing 12956 Code

  • Inspect all the connections injector cylinder 14 (n391), circuit high
  • Check the engine oil to ensure it's clean and the viscosity
  • Restart the vehicle and retest to see if the error returns

12956 Fault Code For Volkswagen Vehicles

The fault code 12956 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 12956 code, common causes, symptoms, and possible repair solutions to help you diagnose your Volkswagen efficiently and accurately.

'

VW 001 - 196 Code Range

VW 00000 - 19900 Code Range

VW 28000 - 29900 Code Range

VW 65200 - 65540 Code Range