why does my Tesla Outback 5th Generation (2015-2019) transmission jerk when shifting

Subaru Outback 5th Generation (2015-2019)

Error Codes

2-4 hours

Time

medium

Difficulty

medium

Severity

3 min read

569 words

Problem Statement

Learn how to diagnose and fix transmission jerking issues in Tesla Outback (2015-2019). Step-by-step guide with symptoms, diagnostic steps, and repair instructions.

Affected Component

Transmission

Estimated Time

2-4 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Disconnect the battery before working on electrical components.
•Ensure the vehicle is cool to avoid burns.

Symptoms

•Transmission jerks during acceleration or deceleration
•Unusual noise during shifting
•Delay in shifting response
•Check engine light illuminated
•Rough idle when the vehicle is in gear

Diagnostic Steps

1
Scan for error codes using an OBD-II scanner to identify any transmission-related faults.
2
Check the transmission fluid level and condition; look for discoloration or burnt smell.
3
Inspect the transmission control module (TCM) for any visible damage or loose connections.
4
Test the throttle position sensor (TPS) for proper function using a multimeter.
5
Perform a visual inspection of the transmission mounts for signs of wear or damage.
6
Check for any software updates for the vehicle’s transmission control.

Solution

💡 Expert Tip

For complex repairs like this, consider taking photos at each step. This helps if you need to reverse a step or consult with a mechanic. Also, keep all removed parts organized - you may need to reference them during reassembly.

Verification

After completing the repair, verify that the issue has been resolved:

✓Test the affected component to ensure it functions correctly
✓Check for any error codes or warning lights
✓Monitor the vehicle for a few days to ensure the issue does not recur

Prevention Tips

To prevent this issue from occurring again:

•Follow the manufacturer's recommended maintenance schedule
•Address warning signs early before they develop into major issues
•Use quality parts and fluids recommended for your vehicle
•Keep detailed records of all repairs and maintenance

Tools & Equipment Required

•OBD-II scanner
•Socket set
•Screwdriver set
•Multimeter
•Torque wrench
•Electrical contact cleaner
•Funnel

Parts Required

•Transmission fluid
•Throttle position sensor (if faulty)

Related Faults

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Diagnostic Steps

1
Scan for error codes using an OBD-II scanner to identify any transmission-related faults.
2
Check the transmission fluid level and condition; look for discoloration or burnt smell.
3
Inspect the transmission control module (TCM) for any visible damage or loose connections.
4
Test the throttle position sensor (TPS) for proper function using a multimeter.
5
Perform a visual inspection of the transmission mounts for signs of wear or damage.
6
Check for any software updates for the vehicle’s transmission control.

Solution

1. Preparation

Gather all necessary tools and parts.
Park the vehicle on a level surface and engage the parking brake.
Disconnect the negative battery terminal.

2. Check and Replace Transmission Fluid

Sub-steps:
1. Locate the transmission fluid dipstick or fill plug.
2. Remove the dipstick or fill plug and check fluid level.
3. If fluid is low, add the manufacturer-recommended transmission fluid until it reaches the appropriate level.
4. If fluid is discolored or burnt, drain the old fluid and replace it with new fluid.
Tools Required: Socket set, funnel, transmission fluid.
Safety Warnings: Ensure the vehicle is cool to avoid burns.

3. Inspect and Repair Transmission Control Module (TCM)

Sub-steps:
1. Locate the TCM, which is typically found near the transmission or under the dashboard.
2. Disconnect the TCM connector and inspect for corrosion or damage.
3. Clean any corroded terminals with electrical contact cleaner.
4. Reconnect the TCM and secure it properly.
Tools Required: Screwdriver set, electrical contact cleaner.

4. Replace Throttle Position Sensor (if faulty)

Sub-steps:
1. Disconnect the connector from the throttle position sensor.
2. Remove the sensor from its mounting.
3. Install the new sensor and reconnect the connector.
Tools Required: Socket set, torque wrench.
Safety Warnings: Disconnect the battery before working on electrical components.

5. Update Transmission Control Software

Sub-steps:
1. Connect the vehicle to a diagnostic scanner that can access manufacturer-specific software.
2. Follow the prompts to check for and install any available updates for the transmission control module.
Tools Required: OBD-II scanner with manufacturer software access.