how to fix my Ford Explorer Sixth Generation (2020-present) delayed shifting issues

Ford Explorer Sixth Generation (2020-present)

Error Codes

2-4 hours

Time

medium

Difficulty

high

Severity

3 min read

504 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 delayed shifting issues in the 2020-present Ford Explorer. Step-by-step guide with diagnostic procedures 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 vehicle to cool before inspecting the transmission to prevent burns.

Symptoms

•Noticeable delay when shifting from park to drive or reverse
•Jerky or harsh shifting during acceleration
•Engine RPMs increase without corresponding vehicle speed increase
•Check engine light illuminated
•Unusual noises during shifting

Diagnostic Steps

1
Scan the vehicle's computer using an OBD-II scanner to check for any trouble codes.
2
Inspect the transmission fluid level and condition; look for signs of contamination or burnt smell.
3
Check for any visible leaks or damage to the transmission components.
4
Test the transmission control module (TCM) for proper function using a multimeter.
5
Ensure that all electrical connections related to the transmission are secure and free from corrosion.

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 catch pan
•Socket set
•Multimeter
•Torque wrench

Parts Required

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

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Diagnostic Steps

1
Scan the vehicle's computer using an OBD-II scanner to check for any trouble codes.
2
Inspect the transmission fluid level and condition; look for signs of contamination or burnt smell.
3
Check for any visible leaks or damage to the transmission components.
4
Test the transmission control module (TCM) for proper function using a multimeter.
5
Ensure that all electrical connections related to the transmission are secure and free from corrosion.

Solution

1. Preparation

Tools Required: OBD-II scanner, fluid catch pan, socket set, multimeter, torque wrench.
Park the vehicle on a level surface and ensure the engine is off.
Disconnect the battery to prevent any electrical shorts.

2. Check and Replace Transmission Fluid

Sub-steps:
1. Locate the transmission dipstick and remove it to check fluid level.
2. If the fluid is low or appears contaminated, place a fluid catch pan under the transmission pan.
3. Remove the drain plug (if equipped) or the transmission pan bolts to drain old fluid.
4. Replace the transmission filter if necessary, ensuring the gasket is replaced.
5. Reinstall the drain plug or transmission pan and torque to manufacturer specifications.
6. Refill the transmission with new fluid using the correct type specified in the owner’s manual (typically Mercon LV for Ford models).

3. Reset Transmission Control Module (TCM)

Sub-steps:
1. Reconnect the battery.
2. Use the OBD-II scanner to reset any transmission-related codes.
3. Perform a TCM reset by following the specific procedure outlined in the service manual (usually involves ignition key cycling).

4. Inspect and Repair Electrical Connections

Sub-steps:
1. Inspect the wiring harness connected to the TCM and transmission solenoids for wear or damage.
2. Clean and secure any corroded connections.
3. Replace any damaged wires or connectors as needed.