how to fix P0700 code in 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

490 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 system malfunction in Ford Explorer (2011-2019). Step-by-step guide with diagnostic procedures.

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 checking or changing transmission fluid.

Symptoms

•Check engine light illuminated
•Harsh or erratic shifting
•Transmission slipping or failure to engage
•Reduced power or acceleration
•Unusual noises from the transmission area

Diagnostic Steps

1
Scan for error codes using an OBD-II scanner to confirm the P0700 code and check for any related transmission codes.
2
Inspect transmission fluid level and condition; look for signs of contamination or burning.
3
Visually inspect the wiring and connectors leading to the Transmission Control Module for corrosion or damage.
4
Check for mechanical issues in the transmission, such as worn components or low fluid pressure.
5
Test the Transmission Control Module for proper functionality using a multimeter.

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

•New Transmission Control Module (if necessary)
•Transmission fluid (Ford Mercon LV)

Related Faults

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Diagnostic Steps

1
Scan for error codes using an OBD-II scanner to confirm the P0700 code and check for any related transmission codes.
2
Inspect transmission fluid level and condition; look for signs of contamination or burning.
3
Visually inspect the wiring and connectors leading to the Transmission Control Module for corrosion or damage.
4
Check for mechanical issues in the transmission, such as worn components or low fluid pressure.
5
Test the Transmission Control Module for proper functionality using a multimeter.

Solution

1. Preparation

Gather tools and parts needed.
Disconnect the vehicle’s battery for safety.
Ensure the vehicle is on a level surface and secure it with wheel chocks.

2. Check Transmission Fluid

Remove the transmission dipstick.
Check fluid level; add fluid if low using the manufacturer-recommended type (Ford Mercon LV).
Inspect fluid quality; if burnt or contaminated, a fluid change is necessary.

3. Inspect Wiring and Connectors

Locate the TCM, typically found under the dashboard or near the transmission.
Disconnect the TCM wiring harness.
Use a multimeter to check for continuity and proper voltage at the connector pins.
Repair or replace any damaged wiring or connectors.

4. Replace Transmission Control Module (if necessary)

If the TCM is faulty, remove it by:
- Unscrewing any mounting bolts.
- Disconnecting all electrical connectors.
Install the new TCM:
- Connect the electrical connectors.
- Secure the TCM with mounting bolts to the vehicle.
Reconnect the battery.

5. Clear Codes and Test Drive

Use the OBD-II scanner to clear the P0700 code and any other related codes.
Start the vehicle and perform a test drive to monitor shifting and performance.