how to fix the P0016 code on my Tesla Model S Plaid/Refresh (2021-present)

Learn how to diagnose and fix P0016 engine timing issues in Tesla Model S Plaid/Refresh. Step-by-step guide with diagnostic procedures and repair instructions.

Solution

1. Preparation

• Tools Required: OBD-II scanner, socket set, torque wrench, multimeter, engine oil.
• Disconnect the negative battery terminal to prevent electrical shorts and ensure safety.
• Allow the engine to cool before proceeding with repairs.

2. Inspect and Replace Sensors

• Inspect the Camshaft and Crankshaft Sensors:
  • Remove any covers obstructing access to the sensors.
  • Disconnect the electrical connectors from both sensors.
  • Visually inspect for damage or corrosion.
• Replace any faulty sensors:
  • Remove the mounting bolts for the sensors using a socket set.
  • Install new sensors, ensuring they are properly aligned.
  • Torque the bolts to the manufacturer’s specifications (typically 8-10 Nm).

3. Check Timing Chain/Belt

• Remove Access Covers:
  • Use a socket set to remove any engine covers blocking access to the timing chain/belt.
• Inspect Timing Components:
  • Check the timing chain/belt for wear, tension, and alignment.
  • If worn or misaligned, replace the timing chain/belt following the manufacturer's guidelines.
• Torque Specifications:
  • Refer to the service manual for specific torque values for timing components.

4. Inspect and Replace VVT Solenoid

• Remove the VVT Solenoid:
  • Disconnect the electrical connector and remove the bolts securing the solenoid.
• Install the New VVT Solenoid:
  • Install the new solenoid and torque the bolts to specifications.
  • Reconnect the electrical connector.

5. Oil Change (if necessary)

• Drain Engine Oil:
  • Remove the oil drain plug and allow the old oil to drain completely.
• Replace Oil Filter:
  • Remove the old oil filter and install a new one, ensuring a proper seal.
• Add New Engine Oil:
  • Add high-quality engine oil per the manufacturer's specifications.