how to diagnose P0700 code on Ford Explorer Fifth Generation (2011-2019)

Ford Explorer Fifth Generation (2011-2019)

Error Codes

2-4 hours

Time

medium

Difficulty

high

Severity

Error Code: P0700

3 min read

526 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 (2011-2019). 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 to avoid shorts.
•Allow the transmission to cool down before checking fluid levels to prevent burns.

Symptoms

•Check engine light illuminated
•Transmission slipping or harsh shifting
•Erratic or delayed gear changes
•Loss of power during acceleration
•Vehicle fails to enter certain gears
•Increased fuel consumption

Diagnostic Steps

1
Scan the vehicle with an OBD-II scanner to confirm the P0700 code and check for any additional codes.
2
Inspect the transmission fluid level and condition; look for signs of contamination or burning.
3
Check the wiring and connectors for the transmission control module for any signs of damage or corrosion.
4
Perform a visual inspection of the transmission control module and its ground connections.
5
Test the transmission range sensor and ensure it is functioning correctly.
6
Clear the DTCs and conduct a test drive to see if the code reappears.

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
•Torque wrench
•Screwdrivers

Parts Required

•Transmission fluid (if replacing)
•Transmission range sensor (if faulty)

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Diagnostic Steps

1
Scan the vehicle with an OBD-II scanner to confirm the P0700 code and check for any additional codes.
2
Inspect the transmission fluid level and condition; look for signs of contamination or burning.
3
Check the wiring and connectors for the transmission control module for any signs of damage or corrosion.
4
Perform a visual inspection of the transmission control module and its ground connections.
5
Test the transmission range sensor and ensure it is functioning correctly.
6
Clear the DTCs and conduct a test drive to see if the code reappears.

Solution

1. Preparation

Gather tools and parts required for the repair.
Disconnect the vehicle battery to prevent electrical shorts.
Ensure the vehicle is on a level surface, and the parking brake is engaged.

2. Check Transmission Fluid

Remove the transmission dipstick and inspect the fluid level and condition.
If the fluid is low, top it up with the manufacturer-recommended transmission fluid.
If the fluid is dirty or burnt, proceed to replace it.

3. Inspect and Repair Wiring

Visually inspect the wiring harness connected to the transmission control module.
Look for frayed wires, loose connections, or corrosion.
Repair or replace any damaged wiring or connectors.

4. Test and Replace Transmission Range Sensor

Locate the transmission range sensor, typically found on the side of the transmission.
Disconnect the electrical connector and use a multimeter to check the sensor’s resistance according to the specifications.
If the sensor is faulty, remove the old sensor and install a new one, ensuring it is aligned and secured properly.

5. Reconnect and Recheck

Reconnect the vehicle battery.
Start the engine and check for any persistent codes using the OBD-II scanner.
If the P0700 code appears again, further diagnostic steps may be needed, including testing the transmission control module itself.