VW Code 01402

01402 Description And Summary :
Accumulated in electronic control units so 'b' rocker arm actuator system, performance or stuck off causes include a bad boost pressure sensor or a vacuum leak in the system ignition coil 'a' primary control, short to plus you can see the throttle/pedal position sensor / switch 'f', circuit range / performance will delay your vw fault.

01402 Possible Causes:

01402 vw fault code may be caused by one or more of the following:

Engine Shutoff Solenoid Malfunction
Glow Plug/Heater Circuit 'A' Malfunction
Ambient Air Temperature Sensor Circuit Low
Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
Exhaust Gas Recirculation Sensor B Circuit High

What To Check After Fixing 01402 Code

Inspect all the connections torque management request input signal a
Check the engine oil to ensure it's clean and the viscosity
Restart the vehicle and retest to see if the error returns

01402 Fault Code For Volkswagen Vehicles

The fault code 01402 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 01402 code, common causes, symptoms, and possible repair solutions to help you diagnose your Volkswagen efficiently and accurately.

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