why is my Tesla Outback 5th Generation (2015-2019) not shifting smoothly?

Solution

1. Preparation

• Gather necessary tools and parts.
• Disconnect the battery to ensure safety while working on electrical systems.
• Allow the vehicle to cool if previously driven.

2. Transmission Fluid Check and Replacement

• Tools Required: Transmission fluid pump, socket set, fluid catch pan, funnel.
• Remove the transmission fluid dipstick or access plug.
• Check fluid level; if low, add the recommended transmission fluid type (consult owner’s manual).
• If fluid is dark or burnt, drain the old fluid using a fluid catch pan.
• Replace with fresh transmission fluid through the dipstick tube or access port.
• Secure the dipstick or access plug after filling.

3. Inspect and Replace Transmission Filter (if applicable)

• Tools Required: Socket set, gasket scraper, new transmission filter, gasket.
• Raise the vehicle and support it securely on jack stands.
• Remove the transmission pan bolts and carefully lower the pan.
• Replace the old filter with a new one and ensure all sealing surfaces are clean.
• Install a new gasket and reattach the transmission pan, tightening bolts to manufacturer specifications.

4. Reprogram or Update Transmission Control Module (TCM)

• Tools Required: OBD-II scanner capable of TCM programming.
• Use the OBD-II scanner to check for software updates for the TCM.
• Follow the scanner’s instructions to perform any updates or reprogramming needed.

5. Reassemble and Road Test

• Reconnect the battery.
• Lower the vehicle if raised and ensure all tools are removed from the work area.
• Test drive the vehicle to confirm that shifting has improved.