how to fix 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

549 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

2-4 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Disconnect battery before working on electrical systems.
•Allow the engine to cool before opening the transmission fluid system.

Symptoms

•Check engine light illuminated
•Rough shifting or delayed engagement
•Slipping transmission
•Transmission not shifting into higher gears
•Loss of power during acceleration
•Increased fuel consumption

Diagnostic Steps

1
Scan the vehicle's onboard diagnostics with an OBD-II scanner to retrieve any additional transmission-related codes.
2
Inspect the transmission fluid level and condition; look for signs of contamination or burnt fluid.
3
Check the wiring and connectors to the transmission control module for any signs of damage or corrosion.
4
Test the TCM operation by performing a diagnostic check to see if it responds correctly to input signals.
5
Verify if the vehicle has any pending or active codes that may indicate specific sensor failures (e.g., input/output speed sensors).
6
Conduct a visual inspection of the transmission for any leaks or physical damage.

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
•Transmission fluid pump
•Funnel
•Drain pan
•Socket set
•Torque wrench
•Wire strippers
•Multimeter

Parts Required

•Transmission fluid
•Transmission filter (if applicable)
•Transmission control module (if replacement is necessary)
•Electrical connectors (if damaged)

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Diagnostic Steps

1
Scan the vehicle's onboard diagnostics with an OBD-II scanner to retrieve any additional transmission-related codes.
2
Inspect the transmission fluid level and condition; look for signs of contamination or burnt fluid.
3
Check the wiring and connectors to the transmission control module for any signs of damage or corrosion.
4
Test the TCM operation by performing a diagnostic check to see if it responds correctly to input signals.
5
Verify if the vehicle has any pending or active codes that may indicate specific sensor failures (e.g., input/output speed sensors).
6
Conduct a visual inspection of the transmission for any leaks or physical damage.

Solution

1. Preparation

Gather tools and parts needed for repair.
Ensure the vehicle is parked on a level surface.
Disconnect the battery to prevent electrical shorts.

2. Check and Replace Transmission Fluid

Tools Required: Transmission fluid pump, funnel, drain pan, socket set
Drain the old transmission fluid using the drain pan.
Replace the transmission filter if equipped and clean the pan.
Refill with the manufacturer-recommended transmission fluid.

3. Repair or Replace Wiring/Connectors

Tools Required: Wire strippers, electrical tape, multimeter
Inspect the wiring harness connected to the TCM for fraying or breaks.
Repair any damaged wires with soldering or use butt connectors.
Ensure all connectors are clean and free from corrosion; replace if necessary.

4. Replace Transmission Control Module (if needed)

Tools Required: Socket set, torque wrench
Remove any components obstructing access to the TCM.
Disconnect the electrical connectors from the TCM.
Unbolt the TCM and replace it with a new unit, ensuring it is properly seated and tightened to manufacturer's specifications.
Reconnect all wiring and connectors.

5. Reconnect Battery and Reset Codes

Reconnect the battery.
Use the OBD-II scanner to clear any stored codes from the TCM.