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

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

Error Codes

2-4 hours

Time

medium

Difficulty

medium

Severity

3 min read

549 words

Problem Statement

Learn how to diagnose and fix transmission jerking in Ford F-150 13th Generation (2015-2020). Step-by-step guide with symptoms, diagnostics, 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 opening the transmission fluid fill cap.

Symptoms

•Transmission jerking during acceleration or deceleration
•Harsh shifting between gears
•Delayed engagement when shifting from park to drive
•Engine RPM fluctuations during shifting
•Check engine light illuminated

Diagnostic Steps

1
Scan the vehicle's onboard computer using an OBD-II scanner for any error codes.
2
Check transmission fluid level and condition; look for discoloration or burnt smell.
3
Inspect the transmission control module (TCM) for any signs of damage or corrosion.
4
Test the throttle position sensor (TPS) and make sure it's functioning within specifications.
5
Examine transmission mounts for wear or damage that could affect alignment.
6
Perform a road test to replicate the jerking issue and note conditions that trigger it.

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
•Jack and jack stands
•Socket set
•Multimeter
•Screwdriver set
•Fluid pump

Parts Required

•Transmission fluid
•Transmission filter
•Throttle Position Sensor
•Transmission mounts

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Diagnostic Steps

1
Scan the vehicle's onboard computer using an OBD-II scanner for any error codes.
2
Check transmission fluid level and condition; look for discoloration or burnt smell.
3
Inspect the transmission control module (TCM) for any signs of damage or corrosion.
4
Test the throttle position sensor (TPS) and make sure it's functioning within specifications.
5
Examine transmission mounts for wear or damage that could affect alignment.
6
Perform a road test to replicate the jerking issue and note conditions that trigger it.

Solution

1. Fluid Inspection and Replacement

Sub-steps:
1. Raise the vehicle securely on jack stands.
2. Remove the transmission dipstick and check fluid level and condition.
3. If fluid is low or discolored, drain the old fluid using a suitable container.
4. Replace the transmission filter if applicable.
5. Refill with manufacturer-recommended transmission fluid (consult owner’s manual for specifications).

2. Transmission Control Module (TCM) Reprogramming

Sub-steps:
1. Connect the vehicle to a diagnostic scanner that supports TCM programming.
2. Follow the prompts to reset or reprogram the TCM.
3. Clear any existing error codes and turn off the engine.
4. Restart the vehicle and check for normal shifting behavior.

3. Throttle Position Sensor (TPS) Adjustment/Replacement

Sub-steps:
1. Disconnect the battery (negative terminal first).
2. Locate the TPS on the throttle body and disconnect the electrical connector.
3. Use a multimeter to test the TPS resistance according to service specifications.
4. If faulty, remove the TPS using a screwdriver and replace it with a new one.
5. Reconnect the electrical connector and the battery.

4. Inspect and Replace Transmission Mounts

Sub-steps:
1. Raise the vehicle and securely support it with jack stands.
2. Inspect the transmission mounts for cracks or excessive wear.
3. If damaged, remove the old mounts using a socket set.
4. Install new mounts, tightening to the manufacturer’s specified torque values.