how to diagnose P0700 code on my 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

567 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 symptoms and solutions.

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 vehicle to cool down before opening the transmission system to avoid burns

Symptoms

•Check engine light illuminated
•Transmission shifting issues (slipping, harsh shifts)
•Delayed engagement or failure to engage gears
•Poor fuel economy
•Transmission overheating
•Possible erratic speedometer readings

Diagnostic Steps

1
Scan for error codes using OBD-II scanner
2
Check transmission fluid level
3
Inspect wiring and connectors related to the transmission control module
4
Test TCM functionality with a multimeter
5
Look for related codes
6
Road test the vehicle

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
•Funnel

Parts Required

•Transmission control module (if replacement is needed)
•Transmission fluid

Related Faults

Share this solution

Comments

No comments yet

Be the first to share your thoughts

Back to Generation

Solution

1. Preparation

Tools Required: OBD-II scanner, multimeter, socket set, transmission fluid, funnel, torque wrench.
Disconnect the battery to prevent electrical shorts.
Ensure the vehicle is on a level surface and secure it with wheel chocks.

2. Check and Replace Transmission Fluid

Sub-steps:
1. Locate the transmission dipstick or fill plug.
2. Remove the dipstick or fill plug and check the fluid level.
3. If fluid is low, add the recommended transmission fluid (check owner's manual for specifications).
4. If fluid is dirty or burnt, drain the transmission fluid and replace it with fresh fluid.
5. Reinstall the dipstick or fill plug and tighten to the manufacturer's specifications.

3. Repair or Replace Damaged Wiring/Connectors

Sub-steps:
1. Identify any damaged wiring or corroded connectors related to the TCM.
2. Repair any frayed wires by soldering or replacing the affected section.
3. Clean corroded connectors with electrical contact cleaner and ensure a tight fit upon reconnection.

4. Replace Transmission Control Module (if necessary)

Sub-steps:
1. Disconnect the battery again.
2. Locate the TCM, typically found near the transmission or under the dashboard.
3. Remove the TCM by unscrewing the mounting bolts and unplugging the connectors.
4. Install the new TCM by reversing the removal process, ensuring all connections are secure.
5. Reconnect the battery.