how to fix my Ford F-150 13th Generation (2015-2020) that won’t shift into gear

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

Error Codes

2-4 hours

Time

medium

Difficulty

high

Severity

3 min read

550 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 13th Generation (2015-2020). Step-by-step guide with symptoms, diagnostics, and solutions.

Affected Component

Transmission

Estimated Time

2-4 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Disconnect battery before working on electrical systems.
•Allow the engine to cool before opening the transmission or checking fluid levels.

Symptoms

•Transmission warning light illuminated on the dashboard
•Gear shifter feels stuck or does not move
•Engine revs without acceleration when attempting to shift
•Unusual noises when trying to shift gears
•Fluid leaks under the vehicle
•Check engine light illuminated

Diagnostic Steps

1
Scan for error codes using an OBD-II scanner to identify transmission-related faults.
2
Check the transmission fluid level and condition; look for discoloration or burnt smell.
3
Inspect the gear shifter linkage for any signs of damage or disconnection.
4
Test the brake pedal switch to ensure it is functioning properly, as it may prevent shifting.
5
Examine the transmission fluid lines for leaks or blockages.
6
Inspect the battery and electrical connections, ensuring they are secure and corrosion-free.

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
•Transmission fluid pump
•Funnel
•Clean rags
•Socket set
•Wrenches
•Multimeter
•Screwdriver set

Parts Required

•Transmission fluid (specific type per owner's manual)
•Brake pedal switch (if found faulty)

Related Faults

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Diagnostic Steps

1
Scan for error codes using an OBD-II scanner to identify transmission-related faults.
2
Check the transmission fluid level and condition; look for discoloration or burnt smell.
3
Inspect the gear shifter linkage for any signs of damage or disconnection.
4
Test the brake pedal switch to ensure it is functioning properly, as it may prevent shifting.
5
Examine the transmission fluid lines for leaks or blockages.
6
Inspect the battery and electrical connections, ensuring they are secure and corrosion-free.

Solution

1. Preparation

Gather necessary tools and parts.
Ensure the vehicle is parked on a level surface and the engine is off.
Disconnect the negative battery terminal for safety.

2. Check and Replace Transmission Fluid

Sub-steps:
- Remove the transmission dipstick and wipe it clean.
- Insert the dipstick back, remove it, and check the fluid level. If low, add the correct type of transmission fluid as specified in the owner's manual.
- If fluid is dark or has a burnt odor, perform a fluid change.
Tools Required:
- Transmission fluid pump
- Funnel
- Clean rags

3. Inspect and Adjust Gear Shifter Linkage

Sub-steps:
- Locate the gear shifter linkage under the vehicle.
- Inspect for any visible damage or disconnection.
- If necessary, adjust the linkage to ensure proper alignment.
Tools Required:
- Socket set
- Wrenches

4. Test and Replace Brake Pedal Switch

Sub-steps:
- Locate the brake pedal switch and disconnect the electrical connector.
- Use a multimeter to test the switch for continuity when the brake pedal is pressed.
- If faulty, replace the brake pedal switch with a new one.
Tools Required:
- Multimeter
- Screwdriver set

5. Reconnect Battery and Test Drive

Sub-steps:
- Reconnect the negative battery terminal.
- Start the vehicle and attempt to shift through the gears.
- Conduct a test drive to ensure smooth shifting.
Tools Required:
- None