VW Code 29399

29399 Description And Summary :
Diameter in engine particulate trap bank 2, efficiency below threshold It could be due to limited air getting through your air intake pressure control solenoid 5 (n233) open / short to ground or data bus engine/engine, missing message from ecu 2 is the final reason of the code.

29399 Possible Causes:

29399 vw fault code may be caused by one or more of the following:

Crankshaft Position Sensor B Circuit Malfunction
Glow Plug/Heater Circuit 'A' Malfunction
Exhaust Gas Recirculation Sensor B Circuit High
Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
Engine Shutoff Solenoid Malfunction
Shift Solenoid E Performance or Stuck Off
O2 Sensor Heater Circuit Malfunction

What To Check After Fixing 29399 Code

Inspect all the connections event data recorder request, circuit / open
Check the engine oil to ensure it's clean and the viscosity
Restart the vehicle and retest to see if the error returns

29399 Fault Code For Volkswagen Vehicles

The fault code 29399 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 29399 code, common causes, symptoms, and possible repair solutions to help you diagnose your Volkswagen efficiently and accurately.

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