my Ford F-150 13th Generation (2015-2020) won't go into gear what could be causing it

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

Error Codes

2-4 hours

Time

medium

Difficulty

high

Severity

3 min read

498 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 engaging into gear. Step-by-step guide included.

Affected Component

Transmission

Estimated Time

2-4 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Disconnect battery before working on electrical systems.
•Ensure the vehicle is on a level surface and securely supported before working underneath.

Symptoms

•Engine cranks but does not shift into gear
•Transmission warning light illuminated on the dashboard
•Unusual noises when attempting to shift
•Fluid leaks under the vehicle
•Soft or spongy brake pedal feel

Diagnostic Steps

1
Scan the vehicle's computer using an OBD-II scanner to check for any error codes related to the transmission.
2
Inspect the transmission fluid level and condition; look for any signs of contamination or burnt smell.
3
Check the transmission fluid lines and seals for leaks or damage.
4
Test the brake switch to ensure it is functioning properly; a faulty switch can prevent the vehicle from shifting.
5
Inspect the shift linkage and cables for any disconnections or wear.
6
Examine the battery voltage and connections; low voltage can affect electronic transmission controls.

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
•Fluid pump
•Funnel
•Socket set
•Wrench set
•Screwdriver set

Parts Required

•Transmission fluid
•Shift linkage (if damaged)
•Brake switch (if faulty)

Related Faults

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Diagnostic Steps

1
Scan the vehicle's computer using an OBD-II scanner to check for any error codes related to the transmission.
2
Inspect the transmission fluid level and condition; look for any signs of contamination or burnt smell.
3
Check the transmission fluid lines and seals for leaks or damage.
4
Test the brake switch to ensure it is functioning properly; a faulty switch can prevent the vehicle from shifting.
5
Inspect the shift linkage and cables for any disconnections or wear.
6
Examine the battery voltage and connections; low voltage can affect electronic transmission controls.

Solution

1. Preparation

Gather necessary tools and parts.
Disconnect the vehicle's battery to ensure safety while working on electrical components.

2. Check and Replace Transmission Fluid

Sub-steps:
- Locate the transmission dipstick; remove it and check fluid level.
- If fluid is low, add the recommended type of transmission fluid (consult owner's manual for specifications).
- If fluid is contaminated or burnt, drain the transmission fluid using a fluid pump and replace with new fluid.
Tools Required:
- Fluid pump
- Funnel
- Transmission fluid (consult manual for specifications)

3. Inspect and Repair Shift Linkage

Sub-steps:
- Locate the shift linkage assembly under the vehicle.
- Inspect for any disconnections, bends, or damage.
- If damage is found, replace the shift linkage with a new component.
Tools Required:
- Socket set
- Wrench set

4. Replace Faulty Brake Switch

Sub-steps:
- Locate the brake switch near the brake pedal.
- Disconnect the wiring harness from the brake switch.
- Remove the switch using the appropriate tools and replace it with a new one.
- Reconnect the wiring harness.
Tools Required:
- Screwdriver set
- Socket set