how to fix P0700 transmission 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

599 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 code in Ford Explorer (2011-2019). Step-by-step guide with symptoms, diagnostic steps, 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 prevent shorts.
•Allow the engine to cool before opening the transmission fluid filler plug to avoid burns.

Symptoms

•Check engine light illuminated
•Erratic shifting or harsh transmission shifts
•Delayed engagement when shifting into gear
•Transmission slipping or losing power
•Unusual noises from the transmission
•Reduced fuel efficiency

Diagnostic Steps

1
Scan for error codes using an OBD-II scanner to confirm the presence of P0700 and check for any additional related codes.
2
Inspect the transmission fluid level and condition; low or dirty fluid can cause transmission issues.
3
Check the wiring and connectors related to the transmission control module (TCM) for signs of damage or corrosion.
4
Test the transmission control module for proper operation using a multimeter to measure voltage and ground signals.
5
Inspect the vehicle's speed sensors, as faulty sensors can trigger a P0700 code.
6
Clear the codes and conduct a test drive to see if the P0700 code returns.

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
•Fluid pump
•Torque wrench

Parts Required

•Transmission fluid (Mercon LV)
•Vehicle speed sensor (if faulty)
•Electrical connectors and wiring (if damaged)

Related Faults

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Diagnostic Steps

1
Scan for error codes using an OBD-II scanner to confirm the presence of P0700 and check for any additional related codes.
2
Inspect the transmission fluid level and condition; low or dirty fluid can cause transmission issues.
3
Check the wiring and connectors related to the transmission control module (TCM) for signs of damage or corrosion.
4
Test the transmission control module for proper operation using a multimeter to measure voltage and ground signals.
5
Inspect the vehicle's speed sensors, as faulty sensors can trigger a P0700 code.
6
Clear the codes and conduct a test drive to see if the P0700 code returns.

Solution

1. Preparation

Gather necessary tools and parts.
Ensure the vehicle is on a flat surface and securely elevated if needed.
Disconnect the battery to avoid electrical shorts.

2. Check and Replace Transmission Fluid

Tools Required: Socket set, fluid pump, transmission fluid.
Inspect the transmission fluid dipstick (if applicable) and remove the filler plug.
Use a fluid pump to extract old transmission fluid and dispose of it properly.
Replace with the manufacturer-recommended transmission fluid type, typically Mercon LV for the Ford Explorer.
Recheck the fluid level after filling and run the engine to circulate the fluid. Adjust as necessary.

3. Inspect and Repair Wiring/Connectors

Tools Required: Multimeter, wire brush, electrical cleaner, heat shrink tubing.
Visually inspect the wiring harness for frays, cracks, or corrosion.
Disconnect the TCM connector and clean using electrical cleaner to remove any debris or corrosion.
Repair any damaged wires using appropriate electrical repair techniques, including soldering and heat shrink tubing.

4. Test and Replace Speed Sensors

Tools Required: OBD-II scanner, multimeter, torque wrench.
Locate the vehicle speed sensors on the transmission (usually near the output shaft).
Use a multimeter to check the resistance and operation of the sensors.
Replace any faulty sensors with new ones, ensuring to torque the bolts to manufacturer's specifications.

5. Reconnect Battery and Test Drive

Reconnect the battery once all repairs are completed.
Start the vehicle and ensure the check engine light is off.
Conduct a test drive, monitoring for any abnormal transmission behavior or return of the P0700 code.