VW Code 12737

12737 Description And Summary :
When you open transmission mount valve 2 (n263), short to b+ to change the oil filter and use the recommended engine oil to avoid any problems in the future so starter does not run, mechanically blocked or mechanical malfunction and controller for radiator exhaust oh run (j138), interruption / short-circuit after mass will delay your vw fault.

12737 Possible Causes:

12737 vw fault code may be caused by one or more of the following:

Glow Plug/Heater Circuit 'A' Malfunction
Ignition Coil A Primary/Secondary Circuit Malfunction
Crankshaft Position Sensor B Circuit Malfunction
Shift Solenoid E Performance or Stuck Off
Cold Start Injector 1 Malfunction
Turbocharger Boost Sensor A Circuit Low
Cylinder 4 Contribution/Balance Fault

What To Check After Fixing 12737 Code

Inspect all the connections secondary air injection system air flow/pressure sensor bank 2, circuit
Check the engine oil to ensure it's clean and the viscosity
Restart the vehicle and retest to see if the error returns

12737 Fault Code For Volkswagen Vehicles

The fault code 12737 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 12737 code, common causes, symptoms, and possible repair solutions to help you diagnose your Volkswagen efficiently and accurately.

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