how to fix the transmission jerking in my Ford F-150 13th Generation (2015-2020)

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

Error Codes

2-4 hours

Time

medium

Difficulty

high

Severity

3 min read

565 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 jerking 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 battery before working on electrical systems.
•Allow the engine to cool before working on the transmission components.

Symptoms

•Jerking or lurching sensation when shifting gears
•Delayed engagement when shifting from Park to Drive or Reverse
•Check engine light illuminated
•Unusual noise from the transmission (grinding or clunking)
•Poor acceleration performance
•Fluid leaks under the vehicle

Diagnostic Steps

1
Scan for error codes using an OBD-II scanner to identify any transmission-related faults.
2
Check transmission fluid levels and condition; inspect for burnt odor or metal shavings.
3
Inspect the transmission control module (TCM) for any signs of damage or corrosion.
4
Test the electrical connections and wiring to the transmission for continuity and integrity.
5
Perform a road test to observe symptoms under various driving conditions.
6
Check for any service bulletins or recalls specific to the transmission for the model year.

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
•Multimeter
•Wiring harness checker
•Funnel
•Drain pan

Parts Required

•Transmission fluid (Mercon LV)
•Transmission filter
•Transmission pan gasket

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Diagnostic Steps

1
Scan for error codes using an OBD-II scanner to identify any transmission-related faults.
2
Check transmission fluid levels and condition; inspect for burnt odor or metal shavings.
3
Inspect the transmission control module (TCM) for any signs of damage or corrosion.
4
Test the electrical connections and wiring to the transmission for continuity and integrity.
5
Perform a road test to observe symptoms under various driving conditions.
6
Check for any service bulletins or recalls specific to the transmission for the model year.

Solution

1. Preparation

Gather necessary tools and parts.
Disconnect the battery to prevent electrical shorts.
Ensure the vehicle is on a level surface and secure it with wheel chocks.

2. Fluid Change

Tools Required: Socket set, funnel, drain pan.
Sub-steps:
1. Remove the transmission pan bolts using a socket wrench.
2. Carefully lower the pan and allow the old fluid to drain into a pan.
3. Inspect the transmission filter; replace it if it is clogged or damaged.
4. Clean the transmission pan and magnet to remove any metal particles.
5. Replace the transmission pan gasket to ensure a proper seal.
6. Reinstall the pan and torque the bolts to manufacturer specifications (usually around 10-12 ft-lbs).
7. Fill the transmission with new fluid as specified in the owner’s manual (typically Mercon LV).

3. Electrical and Sensor Check

Tools Required: Multimeter, wiring harness checker.
Sub-steps:
1. Inspect the wiring harness connected to the TCM and transmission for signs of wear or damage.
2. Use a multimeter to check for proper voltage and continuity in the TCM connections.
3. Replace any damaged wiring or connectors as necessary.

4. TCM Reset/Reprogramming

Tools Required: OBD-II scanner with reprogramming capability.
Sub-steps:
1. Connect the OBD-II scanner to the vehicle’s diagnostic port.
2. Follow the scanner instructions to reset or reprogram the TCM.
3. Clear any stored error codes and perform a test drive to ensure the transmission adapts correctly.