P0600 – Audi DTC

Audi DTC P0600 – Defective PCM (Power Train Control Module), Defective PCM data bus wiring/connections, Defective PCM data bus ground circuit(s), Defective PCM or other control module controlled output devices, Defective CAN bus communication

DTC P0600 meaning on Audi

DTC P0600 indicates a communication error within the Powertrain Control Module (PCM) or between the PCM and other control modules in the vehicle. This code signifies that the PCM has detected a malfunction in the data bus communication, which is essential for the proper functioning of various systems in the vehicle. The data bus is responsible for transmitting information between different electronic control units (ECUs), and any disruption can lead to performance issues.

Audi DTC P0600 symptoms

Common symptoms associated with DTC P0600 may include:

  • Check Engine Light illuminated
  • Engine performance issues, such as stalling or rough idling
  • Inconsistent or erratic behavior of electronic components
  • Failure of certain systems, such as transmission or traction control
  • Difficulty in starting the vehicle

Audi DTC P0600 causes

Several factors can lead to the occurrence of DTC P0600, including:

  • Defective Powertrain Control Module (PCM)
  • Faulty data bus wiring or connections
  • Issues with the data bus ground circuit(s)
  • Malfunctioning output devices controlled by the PCM or other control modules
  • Problems with the Controller Area Network (CAN) bus communication

Audi DTC P0600 seriousness

DTC P0600 is considered a serious issue as it can affect the overall performance and drivability of the vehicle. If left unaddressed, it may lead to further complications, including:

  • Increased risk of engine stalling
  • Potential damage to the PCM or other control modules
  • Failure of critical systems, impacting safety
  • Higher repair costs due to extensive damage

How to diagnose DTC P0600 on Audi

To diagnose DTC P0600, follow these steps:

  1. Use an OBD-II scanner to confirm the presence of DTC P0600.
  2. Inspect the PCM and other control modules for visible damage or corrosion.
  3. Check the data bus wiring and connections for any signs of wear or damage.
  4. Test the ground circuits associated with the PCM and data bus.
  5. Examine the CAN bus communication for any interruptions or faults.
  6. Clear the DTC and perform a road test to see if the code reappears.

How to fix DTC P0600 on Audi step-by-step instructions

To fix DTC P0600, follow these steps:

  1. Inspect and repair any damaged wiring or connections related to the PCM and data bus.
  2. Replace the PCM if it is found to be defective after testing.
  3. Ensure all ground circuits are secure and functioning properly.
  4. Check and replace any faulty output devices controlled by the PCM.
  5. Verify the integrity of the CAN bus communication and repair any issues.
  6. Clear the DTC using an OBD-II scanner and conduct a test drive to confirm the issue is resolved.

How to erase DTC P0600 on Audi

To erase DTC P0600, follow these steps:

  1. Connect an OBD-II scanner to the vehicle’s diagnostic port.
  2. Turn on the ignition without starting the engine.
  3. Access the diagnostic menu on the scanner and select the option to clear or erase DTCs.
  4. Confirm the action and wait for the scanner to complete the process.
  5. Disconnect the scanner and start the vehicle to ensure the code does not reappear.

Recommended tools for Audi diagnostics

Explore our expert picks: The Best OBD2 Scanners for 2025

Easy-to-use Multimeter for reliable diagnostics: AstroAI Auto-ranging Multimeter

Some of the links on this page may be affiliate links, which means we may earn a small commission if you make a purchase. This helps us keep our DTC database up to date and provide valuable content for free. We only recommend products that we have tested and believe to be the best in their class.