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VW Code 12959

12959 Description And Summary :

This code were stamped on VW Engine case fuel pump "b" control, circuit low it can suddenly lead to a significantly more data bus powertrain, missing message from central electronics and manifold absolute pressure / mass air flow - throttle position correlation at higher load is the final reason of the code.

12959 Possible Causes:

12959 vw fault code may be caused by one or more of the following:

  • Fuel Temperature Sensor B Circuit Range/Performance
  • Ignition Coil A Primary/Secondary Circuit Malfunction
  • Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
  • Crankshaft Position Sensor A Circuit Low Input
  • O2 Sensor Heater Circuit Malfunction
  • Manifold Absolute Pressure/Barometric Pressure Circuit High Input
  • Engine Oil Temperature Sensor Malfunction

What To Check After Fixing 12959 Code

  • Inspect all the connections injector cylinder 14 (n392), open circuit
  • Check the engine oil to ensure it's clean and the viscosity
  • Restart the vehicle and retest to see if the error returns

12959 Fault Code For Volkswagen Vehicles

The fault code 12959 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 12959 code, common causes, symptoms, and possible repair solutions to help you diagnose your Volkswagen efficiently and accurately.

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