how to fix P0012 timing code in Volkswagen Golf MK7 (2015-2019)

Learn how to diagnose and fix P0012 camshaft timing issue in Volkswagen Golf MK7 (2015-2019). Step-by-step guide with diagnostic procedures and repair instructions.

Solution

1. Preparation

• Gather tools and parts required for the repair.
• Disconnect the negative battery terminal to ensure safety while working on electrical components.

2. Change Engine Oil and Filter

• Sub-steps:
  1. Drain the old engine oil using an oil drain pan.
  2. Replace the oil filter using an oil filter wrench.
  3. Refill with high-quality motor oil that meets VW specifications (5W-30 synthetic recommended).

3. Inspect and Replace VVT Solenoid

• Sub-steps:
  1. Locate the VVT solenoid, typically situated near the camshaft.
  2. Remove the electrical connector and the mounting bolts using a socket set.
  3. Remove the old solenoid and install the new one, ensuring proper seal.
  4. Reconnect the electrical connector.

4. Check Timing Chain/Belt Alignment

• Sub-steps:
  1. Remove any necessary components (e.g., engine cover, timing chain/belt cover) to access the timing system.
  2. Align the timing marks according to the manufacturer’s specifications.
  3. If misaligned, adjust the timing chain/belt accordingly and reassemble components.

5. Clear Codes and Test

• Sub-steps:
  1. Reconnect the negative battery terminal.
  2. Use the OBD-II scanner to clear the trouble codes.
  3. Start the engine and allow it to reach operating temperature.