how to fix P0700 code in Ford Explorer Fifth Generation (2011-2019)

Ford Explorer Fifth Generation (2011-2019)

Error Codes

3-6 hours

Time

medium

Difficulty

high

Severity

Error Code: P0700

3 min read

584 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 and repair instructions.

Error Code

P0700

Affected Component

Transmission

Estimated Time

3-6 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Disconnect the battery before working on electrical systems.
•Allow the engine and transmission to cool before servicing.

Symptoms

•Check engine light illuminated
•Erratic shifting or harsh transmission behavior
•Loss of acceleration or power
•Transmission slipping or failing to engage
•Delayed or sudden engagement of gears

Diagnostic Steps

1
Scan for error codes using an OBD-II scanner to confirm P0700 and any additional related codes.
2
Inspect the transmission fluid level and condition; look for signs of contamination or burning.
3
Check the wiring and connectors related to the transmission control module (TCM) for damage or corrosion.
4
Verify the condition of the transmission control module (TCM) by inspecting for software updates or recalls.
5
Test the transmission solenoids using a multimeter to ensure they are functioning properly.
6
Examine the vehicle's battery and charging system to ensure proper voltage and ground connections.

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
•Transmission fluid pump
•Screwdrivers
•Pliers

Parts Required

•Transmission fluid (Ford Mercon LV)
•Transmission pan gasket
•Transmission solenoids (if faulty)
•Transmission control module (if faulty)

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Diagnostic Steps

1
Scan for error codes using an OBD-II scanner to confirm P0700 and any additional related codes.
2
Inspect the transmission fluid level and condition; look for signs of contamination or burning.
3
Check the wiring and connectors related to the transmission control module (TCM) for damage or corrosion.
4
Verify the condition of the transmission control module (TCM) by inspecting for software updates or recalls.
5
Test the transmission solenoids using a multimeter to ensure they are functioning properly.
6
Examine the vehicle's battery and charging system to ensure proper voltage and ground connections.

Solution

1. Preparation

Gather necessary tools and parts.
Ensure the vehicle is on a level surface and safely secured with jack stands if elevated.
Disconnect the vehicle’s battery to prevent electrical shock.

2. Check Transmission Fluid

Sub-steps:
1. Remove the transmission dipstick.
2. Wipe it clean, reinsert, and remove again to check the fluid level.
3. If low, add the appropriate transmission fluid (Ford Mercon LV) until it reaches the proper level.
4. Inspect the fluid's color and smell; if it’s dark or smells burnt, a fluid change is necessary.

3. Inspect Wiring and Connectors

Sub-steps:
1. Locate the TCM wiring harness.
2. Visually inspect the connectors for corrosion, dirt, or damage.
3. Use a multimeter to check for continuity in the wires.
4. Repair or replace any damaged wiring or connectors as necessary.

4. Test and Replace Transmission Solenoids

Sub-steps:
1. Remove the transmission pan to access solenoids (may require draining transmission fluid).
2. Disconnect the solenoid connectors.
3. Use a multimeter to measure the resistance of each solenoid against manufacturer specifications.
4. Replace any solenoids that are out of spec or visually damaged.

5. Reprogram or Replace TCM (if needed)

Sub-steps:
1. If the TCM is confirmed faulty, remove it from its mounting location.
2. Install the new TCM, ensuring all connectors are secure.
3. Reconnect the battery and use an OBD-II scanner to reprogram the TCM if required.

6. Final Steps

Reinstall the transmission pan with a new gasket.
Refill the transmission fluid if it was drained.
Reconnect the vehicle's battery.