VW Code 29135

29135 Description And Summary :
This code were stamped on VW Engine case oxygen sensor b1 s1: heating circuit regulation at upper limit, upper limit exceeded It could be due to limited air getting through your air intake control module defective or change secondary air injection pump-c-relay (j704), circuit open circuit is the final reason of the code.

29135 Possible Causes:

29135 vw fault code may be caused by one or more of the following:

Fuel Temperature Sensor B Circuit Range/Performance
Shift Solenoid E Performance or Stuck Off
Fuel Composition Sensor Circuit Malfunction
O2 Sensor Heater Circuit Malfunction
Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
Exhaust Gas Recirculation Sensor B Circuit High
Fuel Rail Pressure Sensor Circuit Malfunction

What To Check After Fixing 29135 Code

Inspect all the connections secondary air injection system switching valve bank 1, stuck open
Check the engine oil to ensure it's clean and the viscosity
Restart the vehicle and retest to see if the error returns

29135 Fault Code For Volkswagen Vehicles

The fault code 29135 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 29135 code, common causes, symptoms, and possible repair solutions to help you diagnose your Volkswagen efficiently and accurately.

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