Diagnostic Mode 01 - Read Current System Data

2010 Volkswagen Golf (5K1) L5-2.5L (CBTA)SECTION Diagnostic Mode 01 - Read Current System Data





Diagnostic Mode 01 - Read Current System Data

Diagnostic Mode 01 makes it possible to access current emissions-related measured values and diagnostic data. The original measured values (no replacement values), input and output data and system status information are displayed using Diagnostic Mode 1.

Test requirement

Coolant temperature at least 80 °C.

Procedure

- Connect the scan tool.

- Start the engine and run at idle.

- Select "Diagnostic Mode 1: Obtain data.".

- From the following table, select the desired the "PID" that is to be monitored, e.g. "PID 05 Coolant temperature".

The current values of the component or system that is being monitored will be displayed on the scan tool screen.






- Switch the ignition OFF.
RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • You smell fuel, burning insulation, or see smoke.
  • Brakes feel soft, pull hard to one side, or make grinding noises.
  • The engine overheats, stalls repeatedly, or misfires under load.
  • You are missing required tools, torque specs, or safe lifting equipment.
  • You are not confident in the next step or safety outcome.