how to diagnose 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

520 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 the battery before starting work on electrical systems.

Symptoms

•Check engine light illuminated
•Rough shifting or delayed gear engagement
•Transmission overheating
•Erratic shifting patterns
•Loss of power during acceleration

Diagnostic Steps

1
Scan for error codes using an OBD-II scanner to identify any additional transmission-related codes that may accompany P0700.
2
Inspect the transmission fluid level and condition to ensure it is at the correct level and not contaminated.
3
Check for any visible damage or loose connections in the wiring harness leading to the TCM and transmission sensors.
4
Test the transmission range sensor (neutral safety switch) to verify it is functioning correctly.
5
Inspect the TCM for any corrosion or damage, as this could affect its operation.
6
Examine the vehicle for any signs of previous transmission repairs that might have been performed improperly.

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
•Multimeter
•Torque wrench
•Cleaning supplies

Parts Required

•Transmission fluid
•Transmission filter (if applicable)
•Transmission range sensor (if necessary)

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Diagnostic Steps

1
Scan for error codes using an OBD-II scanner to identify any additional transmission-related codes that may accompany P0700.
2
Inspect the transmission fluid level and condition to ensure it is at the correct level and not contaminated.
3
Check for any visible damage or loose connections in the wiring harness leading to the TCM and transmission sensors.
4
Test the transmission range sensor (neutral safety switch) to verify it is functioning correctly.
5
Inspect the TCM for any corrosion or damage, as this could affect its operation.
6
Examine the vehicle for any signs of previous transmission repairs that might have been performed improperly.

Solution

1. Preparation

Tools Required: OBD-II scanner, socket set, multimeter, torque wrench, cleaning supplies
Safety Warnings: Disconnect the battery before starting work on electrical systems.

2. Check and Change Transmission Fluid

Raise the vehicle using a jack and secure it on jack stands.
Locate the transmission dipstick and remove it; check fluid level and condition.
If fluid is low or dirty, drain the transmission fluid using a drain pan.
Replace the transmission filter if applicable, following the manufacturer's guidelines.
Refill the transmission with the appropriate fluid (consult the owner's manual for specifications).

3. Repair Wiring and Connectors

Inspect the wiring harness for any frayed wires or loose connections.
If damage is found, repair or replace the damaged wiring.
Ensure all connectors are securely attached to the TCM and sensors.

4. Replace Transmission Range Sensor (if necessary)

Locate the transmission range sensor near the transmission housing.
Unplug the sensor connector and remove the mounting bolts.
Install the new sensor and torque the bolts to the manufacturer's specifications.
Reconnect the sensor wiring.

5. Reprogram TCM (if applicable)

If the TCM was replaced or reprogrammed, connect the OBD-II scanner and follow the instructions for programming.
Clear any codes and ensure the TCM is updated with the latest software.