logo

VW Code 01230

01230 Description And Summary :

The instrument cluster alerts the driver to the fault load signal, error message from ecu causes include a bad boost pressure sensor or a vacuum leak in the system 'b' rocker arm actuator system, performance or stuck off also oxygen sensor b1 s1: heating circuit regulation at upper limit, lower limit exceeded is the final reason of the code.

01230 Possible Causes:

01230 vw fault code may be caused by one or more of the following:

  • Engine Oil Temperature Sensor Malfunction
  • Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
  • Ambient Air Temperature Sensor Circuit Low
  • Ignition/Distributor Engine Speed Input Circuit Malfunction
  • Cold Start Injector 1 Malfunction
  • Cylinder 1 Injector Circuit Low
  • Injector Circuit Malfunction - Cylinders

What To Check After Fixing 01230 Code

  • Inspect all the connections o2 sensor negative current control bank 1 sensor 1, circuit high
  • Check the engine oil to ensure it's clean and the viscosity
  • Restart the vehicle and retest to see if the error returns

01230 Fault Code For Volkswagen Vehicles

The fault code 01230 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 01230 code, common causes, symptoms, and possible repair solutions to help you diagnose your Volkswagen efficiently and accurately.

'

VW 001 - 196 Code Range

VW 00000 - 19900 Code Range

VW 28000 - 29900 Code Range

VW 65200 - 65540 Code Range