my Toyota Highlander Third Generation (2014-2019) won't go into gear what should I do

Toyota Highlander Third Generation (2014-2019)

Error Codes

2-4 hours

Time

medium

Difficulty

high

Severity

3 min read

529 words

⚠️ Safety Warning

This issue requires immediate attention. If you are not experienced with automotive repairs, consult a professional mechanic. Working on critical systems can be dangerous.

Problem Statement

Learn how to diagnose and fix transmission issues in Toyota Highlander 2014-2019. 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 systems.
•Allow the engine to cool before checking transmission fluid levels.

Symptoms

•Engine revs without engagement when attempting to shift into gear
•Transmission warning light illuminated on the dashboard
•Gear shift lever is stuck or feels loose
•Unusual noises coming from the transmission area
•Fluid leaks under the vehicle
•Delay or harsh engagement when shifting gears

Diagnostic Steps

1
Check the transmission fluid level and condition using the dipstick.
2
Scan the vehicle's OBD-II system for any diagnostic trouble codes (DTCs).
3
Inspect the transmission linkage and cables for any damage or disconnection.
4
Examine the transmission fluid for contamination or burnt odor.
5
Test the battery and alternator voltage to ensure proper electrical supply to the transmission control module.
6
Review the vehicle’s history for any recent repairs or maintenance that could affect the transmission.

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

•Socket set
•Jack and jack stands
•OBD-II scanner
•Transmission fluid

Parts Required

•Transmission fluid (specific type as per owner’s manual)

Related Faults

Share this solution

Comments

No comments yet

Be the first to share your thoughts

Back to Generation

Symptoms

•Engine revs without engagement when attempting to shift into gear

•Transmission warning light illuminated on the dashboard

•Gear shift lever is stuck or feels loose

•Unusual noises coming from the transmission area

•Fluid leaks under the vehicle

•Delay or harsh engagement when shifting gears

Diagnostic Steps

1
Check the transmission fluid level and condition using the dipstick.
2
Scan the vehicle's OBD-II system for any diagnostic trouble codes (DTCs).
3
Inspect the transmission linkage and cables for any damage or disconnection.
4
Examine the transmission fluid for contamination or burnt odor.
5
Test the battery and alternator voltage to ensure proper electrical supply to the transmission control module.
6
Review the vehicle’s history for any recent repairs or maintenance that could affect the transmission.

Solution

1. Preparation

Tools Required: Socket set, jack and jack stands, OBD-II scanner, transmission fluid.
Ensure the vehicle is on a level surface and the engine is off.
Disconnect the battery to prevent any electrical shorts.

2. Check and Refill Transmission Fluid

Locate the transmission dipstick and remove it.
Wipe it clean, reinsert, and remove again to check the fluid level.
If low, add the correct type of transmission fluid as specified in the owner’s manual.
Inspect for any signs of leaks or damage to the transmission pan.

3. Inspect Transmission Linkage

Remove the center console cover to access the gear shift assembly.
Visually inspect the linkage for any disconnections or damage.
Adjust or reconnect the linkage as necessary, ensuring it is secure.

4. Address Diagnostic Trouble Codes

Using an OBD-II scanner, retrieve any trouble codes related to the transmission.
Research codes to determine if they indicate specific issues (e.g., solenoid failure).
Follow manufacturer guidelines to resolve issues indicated by the codes.

5. Reconnect Battery and Test

Reconnect the battery terminals, ensuring they are tight and secure.
Start the engine and attempt to shift through the gears while stationary.
Monitor for any warning lights and listen for abnormal noises.