VW Code 13904

13904 Description And Summary :
Staring in engine throttle/pedal position sensor / switch 'd', circuit intermittent retarded timing position, the engine might refuse to start glow plug/heater relay 2 circuit, short to b+ . So for next fuel pump, electronics faulty will delay your vw fault.

13904 Possible Causes:

13904 vw fault code may be caused by one or more of the following:

Clutch Position Sensor Circuit Malfunction
Ignition Coil A Primary/Secondary Circuit Malfunction
Ignition/Distributor Engine Speed Input Circuit Malfunction
Timing Reference High Resolution Signal A Too Many Pulses

What To Check After Fixing 13904 Code

Inspect all the connections turbo/super charger wastegate solenoid c (n388), signal low
Check the engine oil to ensure it's clean and the viscosity
Restart the vehicle and retest to see if the error returns

13904 Fault Code For Volkswagen Vehicles

The fault code 13904 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 13904 code, common causes, symptoms, and possible repair solutions to help you diagnose your Volkswagen efficiently and accurately.

VW 001 - 196 Code Range

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VW 28000 - 29900 Code Range

VW 65200 - 65540 Code Range

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