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VW Code 12838

12838 Description And Summary :

Staring in engine torque management request input signal a, low to change the oil filter and use the recommended engine oil to avoid any problems in the future so secondary air injection pump-d-relay (j705), circuit short to b+ also valve for pump - jet: cylinder 10 (n306), electrical malfunction is the final reason of the code.

12838 Possible Causes:

12838 vw fault code may be caused by one or more of the following:

  • Crankshaft Position Sensor B Circuit Malfunction
  • Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
  • Timing Reference High Resolution Signal A Too Many Pulses
  • Fuel Composition Sensor Circuit Malfunction
  • Fuel Temperature Sensor B Circuit Range/Performance
  • Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)

What To Check After Fixing 12838 Code

  • Inspect all the connections injection pump, timing calibration not learned
  • Check the engine oil to ensure it's clean and the viscosity
  • Restart the vehicle and retest to see if the error returns

12838 Fault Code For Volkswagen Vehicles

The fault code 12838 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 12838 code, common causes, symptoms, and possible repair solutions to help you diagnose your Volkswagen efficiently and accurately.

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