how to reset the transmission fluid light on Ford F-150 13th Generation (2015-2020)

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

Error Codes

1 hour

Time

medium

Difficulty

medium

Severity

3 min read

448 words

Problem Statement

Learn how to reset the transmission fluid light on Ford F-150 (2015-2020). Step-by-step guide with diagnostic steps and safety tips.

Affected Component

Transmission

Estimated Time

1 hour

⚠️ Safety Warnings

Important safety information - read before proceeding

•Ensure the vehicle is in park and the engine is off before working on transmission components.
•Allow the engine to cool before checking fluid levels to avoid burns.

Symptoms

•Transmission fluid light illuminated on the dashboard
•Potential rough shifting or slipping in transmission
•Unusual transmission noise or whining
•Reduced fuel efficiency
•Delayed engagement when shifting into gear

Diagnostic Steps

1
Verify the transmission fluid level using the dipstick method.
2
Check for any error codes related to the transmission using an OBD-II scanner.
3
Inspect the condition of the transmission fluid for discoloration or burnt smell.
4
Look for any visible leaks around the transmission pan or cooler lines.
5
Review the vehicle’s maintenance history to ensure fluid changes are up to date.

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
•Transmission fluid

Parts Required

•Transmission fluid

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Diagnostic Steps

1
Verify the transmission fluid level using the dipstick method.
2
Check for any error codes related to the transmission using an OBD-II scanner.
3
Inspect the condition of the transmission fluid for discoloration or burnt smell.
4
Look for any visible leaks around the transmission pan or cooler lines.
5
Review the vehicle’s maintenance history to ensure fluid changes are up to date.

Solution

1. Preparation

Gather tools: OBD-II scanner, socket set, transmission fluid.
Ensure the vehicle is parked on a level surface and the engine is off.
Engage the parking brake for safety.

2. Check and Adjust Transmission Fluid Level

Sub-step 1: Start the engine and let it warm up to normal operating temperature.
Sub-step 2: Shift through all gears, pausing briefly in each gear before returning to park.
Sub-step 3: With the engine running, pull out the transmission dipstick, wipe it clean, and reinsert.
Sub-step 4: Remove the dipstick again and check the fluid level; add fluid if necessary to reach the appropriate level.

3. Reset Transmission Fluid Light

Sub-step 1: Turn the ignition key to the "On" position without starting the engine.
Sub-step 2: Press the gas pedal three times within five seconds.
Sub-step 3: Turn the ignition off and then back on to complete the reset.
Sub-step 4: Observe the dashboard to ensure the transmission fluid light is no longer illuminated.