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

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

Error Codes

2-4 hours

Time

medium

Difficulty

high

Severity

3 min read

580 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) that prevent it from going into gear. Step-by-step guide included.

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 opening the transmission pan.

Symptoms

•Transmission fluid leaking under the vehicle
•Check engine light illuminated
•Difficulty shifting into drive or reverse
•Grinding or unusual noises when attempting to shift
•Transmission slipping or hesitation during acceleration
•Warning messages on the dashboard related to transmission

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 linkage for damage or disconnection.
4
Examine the transmission fluid lines for leaks or blockages.
5
Test the battery voltage and connections to ensure adequate power to the transmission control module.
6
Inspect the brake switch operation; a faulty brake switch may prevent shifting.

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
•Wrenches
•Multimeter
•Fluid pump
•Funnel
•Drain pan

Parts Required

•Transmission fluid
•Transmission filter
•Gasket for transmission pan
•Brake switch (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 linkage for damage or disconnection.
4
Examine the transmission fluid lines for leaks or blockages.
5
Test the battery voltage and connections to ensure adequate power to the transmission control module.
6
Inspect the brake switch operation; a faulty brake switch may prevent shifting.

Solution

1. Preparation

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

2. Check Transmission Fluid

Tools Required: Dipstick, funnel, clean rag.
Remove the transmission dipstick and wipe it clean.
Reinsert the dipstick fully, then remove it again to check fluid level.
If low, add the recommended transmission fluid type (refer to owner's manual).
Check the fluid condition; if burnt or contaminated, proceed to fluid replacement.

3. Inspect Transmission Linkage

Tools Required: Socket set, wrenches.
Locate the transmission linkage connection under the vehicle.
Inspect for any loose, damaged, or disconnected components.
Tighten or replace as necessary to ensure proper linkage.

4. Replace Transmission Fluid and Filter

Tools Required: Socket set, fluid pump, drain pan.
Position a drain pan under the transmission pan.
Remove the transmission pan bolts and lower the pan to drain old fluid.
Replace the transmission filter according to manufacturer specifications.
Reinstall the transmission pan using a new gasket and torque bolts to the specified value (refer to service manual).
Fill the transmission with new fluid using the funnel, checking the level with the dipstick.

5. Test the Brake Switch

Tools Required: Multimeter.
Locate the brake switch near the brake pedal.
Use a multimeter to test for continuity when the brake pedal is pressed.
If faulty, replace the brake switch to restore proper function.