how to fix P0700 code on Ford Explorer Sixth Generation (2020-present)

Ford Explorer Sixth Generation (2020-present)

Error Codes

2-4 hours

Time

medium

Difficulty

high

Severity

Error Code: P0700

3 min read

554 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 P0700 transmission control malfunction in Ford Explorer (2020-present). Step-by-step guide with diagnostic procedures and repair instructions.

Error Code

P0700

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 to prevent burns.

Symptoms

•Check engine light illuminated
•Transmission slipping or harsh shifting
•Delayed engagement when shifting gears
•Poor fuel economy
•Loss of power during acceleration

Diagnostic Steps

1
Use an OBD-II scanner to retrieve any additional transmission-related error codes.
2
Inspect the transmission fluid level and condition, looking for contamination or burnt smell.
3
Check the wiring and connectors to the transmission control module for any signs of damage or corrosion.
4
Test the TCM for proper operation using a multimeter.
5
Verify that the transmission solenoids are functioning correctly.
6
Look for any signs of mechanical issues in the transmission (e.g., metal shavings, leaks).

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 pump
•10mm socket
•Drain pan
•Wire brush
•Electrical cleaner
•Socket set
•Torque wrench
•Multimeter

Parts Required

•New transmission fluid
•New TCM (if needed)
•Replacement solenoids (if needed)
•New transmission pan gasket

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Diagnostic Steps

1
Use an OBD-II scanner to retrieve any additional transmission-related error codes.
2
Inspect the transmission fluid level and condition, looking for contamination or burnt smell.
3
Check the wiring and connectors to the transmission control module for any signs of damage or corrosion.
4
Test the TCM for proper operation using a multimeter.
5
Verify that the transmission solenoids are functioning correctly.
6
Look for any signs of mechanical issues in the transmission (e.g., metal shavings, leaks).

Solution

1. Preparation

Gather necessary tools and parts.
Ensure the vehicle is parked on a level surface and engage the parking brake.
Disconnect the negative battery terminal to prevent electrical shorts.

2. Fluid Inspection and Replacement

Remove the transmission dipstick (if applicable) and check fluid level.
If the fluid is low or discolored, drain the old fluid using a fluid pump.
- Tools Required: Fluid pump, 10mm socket, drain pan
Replace the transmission fluid with the manufacturer-recommended type.
- Parts Required: New transmission fluid (check owner's manual for specifications)

3. TCM Inspection and Repair

Locate the TCM, typically found near the transmission or under the dashboard.
Inspect the TCM connectors for corrosion or damage; clean or replace as necessary.
- Tools Required: Wire brush, electrical cleaner
If the TCM is faulty, replace it with a new unit.
- Parts Required: New TCM (specific to vehicle model)

4. Solenoid Inspection

If transmission solenoids are suspected, remove the transmission pan to access them.
- Tools Required: Socket set, torque wrench, new transmission pan gasket
Inspect solenoids for proper operation; replace any faulty solenoids with new ones.
- Parts Required: Replacement solenoids (specific to vehicle model)

5. Reassemble and Refill

Reinstall the transmission pan with a new gasket, torque to manufacturer specifications (typically 10-12 ft-lbs).
Refill the transmission with the correct amount of new fluid.
Reconnect the negative battery terminal.