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Home/Cars/Ford/Explorer/Sixth Generation (2020-present)/how to fix P0700 code on Ford Explorer Sixth Generation (2020-present)

how to fix P0700 code on Ford Explorer Sixth Generation (2020-present)

Ford Explorer Sixth Generation (2020-present)

Severity: highDifficulty: mediumError Code: P07002-4 hours
3 min read
542 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. Step-by-step guide with diagnostic procedures and repair instructions.

Error Code
P0700
Component
Transmission
Repair Time
2-4 hours

Safety Warnings

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

Symptoms

  • •Check engine light illuminated
  • •Erratic shifting or harsh transmission behavior
  • •Transmission slips or hesitates during acceleration
  • •Poor fuel economy
  • •Transmission overheating

Diagnostic Steps

  1. 1Scan the vehicle using an OBD-II scanner to retrieve any additional trouble codes related to the transmission.
  2. 2Inspect the transmission fluid level and condition; look for signs of contamination or burnt fluid.
  3. 3Check the wiring and connectors to the Transmission Control Module for signs of damage or corrosion.
  4. 4Test the TCM using a multimeter to verify proper voltage and ground connections.
  5. 5Perform a visual inspection of the transmission for any visible leaks or damage.
  6. 6Clear the P0700 code and perform a test drive to see if the code reappears.

Solution

Solution

1. Preparation

  • Gather necessary tools and parts.
  • Disconnect the vehicle's battery to ensure safety while working on electrical components.

2. Check and Replace Transmission Fluid

  • Tools Required: Transmission fluid pump, drain pan, funnel, socket set
  • Drain the old transmission fluid into a drain pan by removing the transmission pan bolts.
  • Replace the filter if applicable; use a new gasket for the transmission pan.
  • Refill with the manufacturer-recommended transmission fluid type (e.g., Mercon ULV).
  • Securely reattach the transmission pan with the appropriate torque specifications.

3. Inspect and Repair Electrical Connections

  • Tools Required: Multimeter, wire brush, dielectric grease
  • Inspect the wiring harness and connectors for any damage or corrosion.
  • Clean any corroded connectors with a wire brush and apply dielectric grease to protect against moisture.
  • Repair or replace any damaged wiring as necessary.

4. Replace the Transmission Control Module (if needed)

  • Tools Required: Socket set, torque wrench, OBD-II scanner
  • Disconnect the battery again.
  • Remove the TCM by unscrewing it from its mounting location.
  • Install the new TCM, ensuring it is securely fastened to the mount.
  • Reconnect the battery and use the OBD-II scanner to program or clear the TCM if necessary.

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
  • Drain pan
  • Socket set
  • Multimeter
  • Torque wrench

Parts Required

  • Transmission fluid (Mercon ULV)
  • Transmission filter (if applicable)
  • Transmission pan gasket
  • Transmission Control Module (if needed)

Additional Information

Error CodeP0700
Component

Transmission

Repair Time

2-4 hours

Difficulty

medium

Severity

high

Tools

6 items

Parts

4 items

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