VW Code 28338

28338 Description And Summary :
The instrument cluster alerts the driver to the fault oxygen (lambda) sensor b2 s1, signal shorted to heater circuit run rough, or might suddenly stall at any given speed exhaust bank 1 sensor 1 o2 sensor signal, implausibly rich or change transmission control unit relay, short to b+ will delay your vw fault.

28338 Possible Causes:

28338 vw fault code may be caused by one or more of the following:

Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
Exhaust Gas Recirculation Sensor B Circuit High
Turbocharger Boost Sensor A Circuit Low
Clutch Position Sensor Circuit Malfunction
Ignition Coil A Primary/Secondary Circuit Malfunction
Engine Oil Temperature Sensor Malfunction
Glow Plug/Heater Circuit 'A' Malfunction
Fuel Composition Sensor Circuit Malfunction

What To Check After Fixing 28338 Code

Inspect all the connections coolant pump control, circuit range / performance
Check the engine oil to ensure it's clean and the viscosity
Restart the vehicle and retest to see if the error returns

28338 Fault Code For Volkswagen Vehicles

The fault code 28338 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 28338 code, common causes, symptoms, and possible repair solutions to help you diagnose your Volkswagen efficiently and accurately.

VW 001 - 196 Code Range

Page 1

VW 00000 - 19900 Code Range

VW 28000 - 29900 Code Range

VW 65200 - 65540 Code Range

Page 24