how to check my Ford F-150 13th Generation (2015-2020) for transmission codes

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

Error Codes

30 minutes to 1 hour

Time

medium

Difficulty

medium

Severity

3 min read

415 words

Problem Statement

Learn how to check transmission codes for your 2015-2020 Ford F-150. Step-by-step guide for diagnosing transmission issues effectively.

Affected Component

Transmission

Estimated Time

30 minutes to 1 hour

⚠️ Safety Warnings

Important safety information - read before proceeding

•Ensure the vehicle is in park and the parking brake is engaged while performing diagnostics.

Symptoms

•Transmission slipping or rough shifting
•Check engine light illuminated
•Delayed engagement when shifting from park to drive
•Unusual noises from the transmission
•Poor fuel economy

Diagnostic Steps

1
Ensure the vehicle is parked on a level surface and the engine is running.
2
Connect an OBD-II scanner to the vehicle's diagnostic port, located under the dashboard.
3
Turn on the scanner and select the option to read diagnostic trouble codes (DTCs).
4
Navigate to the transmission control module (TCM) section of the scanner.
5
Record any transmission-related codes displayed on the scanner.
6
Research the codes to determine their meaning and potential fixes.

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
•Notebook for recording codes
•Pen

Parts Required

•None for this diagnostic procedure

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Diagnostic Steps

1
Ensure the vehicle is parked on a level surface and the engine is running.
2
Connect an OBD-II scanner to the vehicle's diagnostic port, located under the dashboard.
3
Turn on the scanner and select the option to read diagnostic trouble codes (DTCs).
4
Navigate to the transmission control module (TCM) section of the scanner.
5
Record any transmission-related codes displayed on the scanner.
6
Research the codes to determine their meaning and potential fixes.

Solution

1. Preparation

Gather necessary tools: OBD-II scanner, notebook for recording codes, and a pen.
Ensure the vehicle's battery is charged and the engine is running during the diagnostic process.

2. Connect OBD-II Scanner

Locate the OBD-II port under the driver's side dashboard.
Plug the OBD-II scanner into the port ensuring a secure connection.

3. Read Codes

Power on the scanner and select the appropriate vehicle model if required.
Choose the option to read codes and navigate to the TCM section.
Wait for the scanner to communicate with the vehicle and retrieve codes.

4. Record and Interpret Codes

Write down all the codes displayed on the scanner.
Use the scanner's manual or an online database to look up the codes for definitions and possible causes.

5. Clear Codes (Optional)

If needed, use the scanner's option to clear the codes after recording them to reset the check engine light.
Ensure to note any persistent codes that reappear after clearing.