how to fix P0701 code in Volkswagen Golf MK7 (2015-2019)

Learn how to diagnose and fix P0701 transmission control issues in Volkswagen Golf MK7 (2015-2019). Step-by-step guide with diagnostic procedures and repair instructions.

Solution

1. Preparation

• Gather tools and safety equipment.
• Tools required: OBD-II scanner, multimeter, socket set, torque wrench, transmission fluid pump, and safety glasses.
• Safety warnings: Disconnect the battery before starting work on electrical systems to prevent shorts.

2. Check and Replace Transmission Fluid

• Sub-steps:
  1. Raise the vehicle securely on jack stands.
  2. Locate the transmission fluid fill and drain plugs.
  3. Remove the drain plug and allow old fluid to completely drain into a container.
  4. Inspect the drain fluid for metal shavings or burning smell.
  5. Replace the drain plug and torque it to manufacturer specifications.
  6. Using a transmission fluid pump, fill the transmission with the recommended fluid type until it reaches the proper level.
  7. Replace the fill plug and torque to specifications.

3. Inspect and Replace Transmission Range Sensor

• Sub-steps:
  1. Locate the transmission range sensor on the transmission.
  2. Disconnect the electrical connector from the sensor.
  3. Remove the sensor from the transmission using the appropriate socket.
  4. Install the new transmission range sensor and torque it to specifications.
  5. Reconnect the electrical connector.

4. Reset TCM and Clear Codes

• Sub-steps:
  1. Reconnect the battery.
  2. Use an OBD-II scanner to clear the P0701 code and any related codes from the TCM.
  3. Perform a transmission adaptation reset if applicable.