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

572 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 tools and 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 working on the transmission.

Symptoms

•Check engine light illuminated
•Rough shifting or delayed engagement
•Transmission slipping or erratic behavior
•Poor fuel economy
•Transmission overheating

Diagnostic Steps

1
Scan for error codes using an OBD-II scanner to confirm P0700 and identify any additional transmission-related codes.
2
Inspect the transmission fluid level and condition; check for contamination or burning smell.
3
Check the wiring harness and connectors to the transmission control module for damage or corrosion.
4
Inspect the transmission control module for any physical damage or water intrusion.
5
Perform a functional test of the TCM using a scan tool to check for proper operation.
6
Test the transmission solenoids for resistance and operation 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
•Socket set
•Fluid catch pan
•New fluid filter
•New transmission fluid
•Torque wrench
•Dielectric grease for connectors
•Wire strippers
•Soldering kit
•Heat shrink tubing
•Contact cleaner

Parts Required

•Transmission fluid
•Transmission filter
•Transmission pan gasket
•Transmission control module (if replacement is necessary)

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Diagnostic Steps

1
Scan for error codes using an OBD-II scanner to confirm P0700 and identify any additional transmission-related codes.
2
Inspect the transmission fluid level and condition; check for contamination or burning smell.
3
Check the wiring harness and connectors to the transmission control module for damage or corrosion.
4
Inspect the transmission control module for any physical damage or water intrusion.
5
Perform a functional test of the TCM using a scan tool to check for proper operation.
6
Test the transmission solenoids for resistance and operation using a multimeter.

Solution

1. Preparation

Gather necessary tools and materials.
Disconnect the vehicle battery to ensure safety while working on the electrical components.

2. Inspect and Replace Transmission Fluid

Sub-steps:
- Remove the transmission fluid pan using a socket set.
- Drain the old fluid into a suitable container.
- Inspect the filter; replace it if it shows signs of wear or blockage.
- Install a new filter and reattach the transmission pan with a new gasket.
- Refill the transmission with the correct type and quantity of fluid as specified in the owner’s manual.
Tools Required: Socket set, fluid catch pan, new fluid filter, new transmission fluid, torque wrench.

3. Repair or Replace the TCM

Sub-steps:
- Locate the TCM; typically found near the transmission or under the dashboard.
- Disconnect the wiring harness from the TCM.
- Remove the TCM using a socket set.
- If the TCM is damaged, replace it with a new unit; if it is functional, clean the connectors and reseat them.
- Reconnect the wiring harness and reattach the TCM.
Tools Required: Socket set, dielectric grease for connectors.

4. Inspect and Replace Wiring or Connectors

Sub-steps:
- Visually inspect the wiring harness for frays, corrosion, or breaks.
- Repair any damaged wiring using solder and heat shrink tubing or replace the wiring harness if necessary.
- Ensure all connectors are clean and free from corrosion; use contact cleaner if needed.
Tools Required: Wire strippers, soldering kit, heat shrink tubing, contact cleaner.