why does my Ford Explorer Sixth Generation (2020-present) have a rough transmission shift

Ford Explorer Sixth Generation (2020-present)

Error Codes

2-4 hours

Time

medium

Difficulty

high

Severity

3 min read

519 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 to diagnose and fix rough transmission shifts in Ford Explorer (2020-present). Step-by-step guide with symptoms, diagnostics, and solutions.

Affected Component

Transmission

Estimated Time

2-4 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Disconnect the battery before working on electrical systems to avoid shocks.
•Allow the engine to cool before working on the transmission to prevent burns.

Symptoms

•Jerky or harsh shifts during acceleration or deceleration
•Delayed engagement when shifting from park to drive or reverse
•Unusual noises during shifting (clunking or grinding)
•Check transmission warning light illuminated on the dashboard
•Engine RPM fluctuations during shifting

Diagnostic Steps

1
Scan for error codes using an OBD-II scanner to identify any transmission-related faults.
2
Check the transmission fluid level and condition; look for signs of contamination or burnt odor.
3
Inspect the transmission control module (TCM) for any signs of damage or corrosion.
4
Test the transmission solenoids for proper operation using a multimeter.
5
Examine the wiring harness for frayed wires or poor connections that may affect transmission performance.
6
Check for software updates or reprogramming required for the TCM.

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
•Multimeter
•Socket set
•Transmission fluid dipstick

Parts Required

•Transmission fluid (specific to Ford specifications)
•Transmission solenoids (if needed)
•Transmission pan gasket (if removed)

Related Faults

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Diagnostic Steps

1
Scan for error codes using an OBD-II scanner to identify any transmission-related faults.
2
Check the transmission fluid level and condition; look for signs of contamination or burnt odor.
3
Inspect the transmission control module (TCM) for any signs of damage or corrosion.
4
Test the transmission solenoids for proper operation using a multimeter.
5
Examine the wiring harness for frayed wires or poor connections that may affect transmission performance.
6
Check for software updates or reprogramming required for the TCM.

Solution

1. Preparation

Tools Required: OBD-II scanner, multimeter, socket set, transmission fluid dipstick.
Ensure the vehicle is parked on a level surface, and the engine is turned off.
Disconnect the battery to prevent accidental electrical shorts.

2. Transmission Fluid Check

Sub-steps:
1. Locate the transmission fluid dipstick and remove it.
2. Wipe the dipstick clean and reinsert it, then remove it again to check the fluid level.
3. If the fluid is low, add the appropriate type of transmission fluid as specified in the owner’s manual.
4. Inspect the fluid for contamination (dark color, burnt smell) and replace if necessary.

3. Inspect and Replace Transmission Solenoids

Sub-steps:
1. Remove the transmission pan using a socket set and drain the fluid into a pan.
2. Locate the solenoids and disconnect the wiring harness.
3. Using a multimeter, test each solenoid for resistance; replace any that are out of specifications.
4. Install new solenoids if necessary and reassemble the transmission pan with a new gasket.

4. Update TCM Software

Sub-steps:
1. Connect the OBD-II scanner to the vehicle’s diagnostic port.
2. Check for any available software updates for the TCM.
3. Follow the scanner instructions to update the software if an update is available.
4. Clear any error codes after the update is complete.