my Ford F-150 13th Generation (2015-2020) won't go into gear what should I do

Ford F-150 13th Generation (2015-2020)

Error Codes

2-4 hours

Time

medium

Difficulty

high

Severity

3 min read

456 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 Ford F-150 (2015-2020). 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 or adding transmission fluid.

Symptoms

•Engine revs without engaging the transmission
•Warning lights illuminated on the dashboard
•Difficulty shifting between park, reverse, and drive
•Unusual noises when attempting to shift
•Fluid leak under the vehicle

Diagnostic Steps

1
Check the transmission fluid level and condition using the dipstick.
2
Scan the vehicle’s onboard computer for diagnostic trouble codes (DTCs) using an OBD-II scanner.
3
Inspect the transmission linkage for any visible damage or misalignment.
4
Examine the brake light switch operation, as it affects transmission interlock.
5
Test the battery voltage and connections to ensure the electrical system is functioning properly.
6
Inspect the transmission fluid for contamination, such as metal shavings or burnt smell.

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
•Screwdrivers
•Transmission fluid dipstick

Parts Required

•Transmission fluid (Mercon LV)
•Brake light switch (if replacement is needed)

Related Faults

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Diagnostic Steps

1
Check the transmission fluid level and condition using the dipstick.
2
Scan the vehicle’s onboard computer for diagnostic trouble codes (DTCs) using an OBD-II scanner.
3
Inspect the transmission linkage for any visible damage or misalignment.
4
Examine the brake light switch operation, as it affects transmission interlock.
5
Test the battery voltage and connections to ensure the electrical system is functioning properly.
6
Inspect the transmission fluid for contamination, such as metal shavings or burnt smell.

Solution

1. Preparation

Gather necessary tools and parts.
Ensure the vehicle is parked on a level surface.
Disconnect the battery to prevent electrical shorts.

2. Check Transmission Fluid

Remove the transmission dipstick and wipe it clean.
Reinsert the dipstick, remove again, and check the fluid level.
If low, add the appropriate type of transmission fluid (typically Mercon LV for Ford applications).

3. Inspect and Adjust Transmission Linkage

Locate the transmission linkage under the vehicle.
Inspect for any corrosion, damage, or loose connections.
If misaligned, adjust the linkage by loosening the mounting bolts and repositioning it correctly.

4. Replace Brake Light Switch (if necessary)

Locate the brake light switch, typically situated near the brake pedal.
Disconnect the electrical connector.
Remove the switch by unscrewing it or releasing clips.
Install the new switch, reconnect the electrical connector, and ensure it functions correctly.

5. Clear Diagnostic Codes

Reconnect the battery.
Use the OBD-II scanner to clear any stored trouble codes.
Start the vehicle and test if the issue persists.