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Home/Cars/Ford/F-150/12th Generation (2009-2014)/how to fix P0700 code in Ford F-150 12th Generation (2009-2014)

how to fix P0700 code in Ford F-150 12th Generation (2009-2014)

Ford F-150 12th Generation (2009-2014)

Severity: highDifficulty: mediumError Code: P07002-4 hours
3 min read
551 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 fault in Ford F-150 (2009-2014). 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 inspecting the transmission fluid.

Symptoms

  • •Check engine light illuminated
  • •Erratic shifting or transmission slipping
  • •Rough or harsh shifting
  • •Delayed engagement when shifting into gear
  • •Reduced fuel efficiency
  • •Possible overheating of transmission

Diagnostic Steps

  1. 1Scan for error codes using an OBD-II scanner to retrieve any additional transmission-related codes.
  2. 2Inspect the transmission fluid level and condition (check for burnt smell or dark color).
  3. 3Examine the wiring and connectors for the transmission control module (TCM) for any signs of damage or corrosion.
  4. 4Test the TCM with a multimeter to ensure it’s receiving proper voltage and ground.
  5. 5Check for mechanical issues in the transmission by conducting a visual inspection of components.
  6. 6Clear the codes and perform a road test to see if the P0700 code returns.

Solution

Solution

1. Preparation

  • Gather necessary tools and parts.
  • Ensure the vehicle is parked on a level surface and engage the parking brake.
  • Disconnect the battery to prevent any electrical shorts.

2. Check Transmission Fluid

  • Remove the transmission dipstick and wipe it clean.
  • Reinsert the dipstick and remove it again to check the fluid level.
  • If low, add the appropriate type of transmission fluid (refer to owner's manual for specifications).

3. Inspect Wiring and Connectors

  • Locate the TCM, usually near the transmission.
  • Visually inspect the wiring harness for any frays, breaks, or corrosion.
  • Clean any corroded connectors using electrical contact cleaner.

4. Test the Transmission Control Module (TCM)

  • Use a multimeter to check the voltage at the TCM connector:
    • Set the multimeter to the DC voltage setting.
    • Connect the positive lead to the TCM power input and negative lead to the ground.
    • Ensure the voltage falls within the manufacturer's specified range.
  • If the voltage is incorrect, further inspection of the wiring or replacement of the TCM may be necessary.

5. Clear Codes and Road Test

  • Reconnect the battery.
  • Use the OBD-II scanner to clear the P0700 code.
  • Start the vehicle and perform a test drive to ensure the transmission operates smoothly.

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
  • Screwdrivers
  • Transmission fluid pump

Parts Required

  • Transmission fluid (check owner's manual for type)
  • Transmission filter (if applicable)
  • Transmission control module (if defective)

Additional Information

Error CodeP0700
Component

Transmission

Repair Time

2-4 hours

Difficulty

medium

Severity

high

Tools

5 items

Parts

3 items

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