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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
593 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 F-150 (2009-2014). Step-by-step guide with tools and procedures.

Error Code
P0700
Component
Transmission
Repair Time
2-4 hours

Safety Warnings

  • ⚠Disconnect the battery before working on electrical systems to avoid shorts.
  • ⚠Allow the engine and transmission to cool before performing any maintenance.

Symptoms

  • •Check engine light illuminated
  • •Erratic shifting or harsh transmission shifts
  • •Transmission going into 'limp' mode
  • •Delayed engagement when shifting from park to drive
  • •Poor acceleration or loss of power

Diagnostic Steps

  1. 1Scan the vehicle’s onboard diagnostic system with an OBD-II scanner to confirm the P0700 code and check for additional codes related to the transmission.
  2. 2Inspect the transmission fluid level and condition; low or contaminated fluid can cause transmission issues.
  3. 3Check the wiring and connectors to the transmission control module for signs of damage, corrosion, or loose connections.
  4. 4Perform a visual inspection of the transmission for any leaks or physical damage.
  5. 5Test the transmission control module for proper function using a multimeter to measure voltage and ground signals.
  6. 6Test drive the vehicle to replicate any shifting issues while monitoring the transmission performance.

Solution

Solution

1. Preparation

  • Gather all necessary tools and parts.
  • Disconnect the negative battery terminal to prevent electrical shorts.
  • Ensure the vehicle is on a flat surface and safely secured with wheel chocks.

2. Check and Replace Transmission Fluid

  • Tools Required: Transmission fluid pump, fluid catch pan, funnel
  • Check the transmission fluid level using the dipstick.
  • If low, add the appropriate type of transmission fluid (consult owner's manual for specification).
  • If the fluid is dark or has a burnt smell, perform a fluid change.
  • Drain the old fluid using the transmission fluid pump and catch pan.
  • Replace with new fluid, ensuring it meets manufacturer specifications.

3. Inspect and Repair Wiring

  • Tools Required: Multimeter, wire strippers, electrical tape
  • Visually inspect wiring harness and connectors to the TCM.
  • Use a multimeter to check for continuity and ground issues.
  • Repair or replace any damaged wires or connectors.
  • Ensure all connections are secure and free from corrosion.

4. Replace Transmission Control Module (if necessary)

  • Tools Required: Socket set, screwdriver set, torque wrench
  • Locate the transmission control module (typically near the transmission or under the dash).
  • Disconnect all electrical connectors from the TCM.
  • Remove the mounting bolts using the socket set.
  • Install the new TCM by reversing the removal steps, ensuring all connectors are securely attached.
  • Torque the bolts to manufacturer specifications.

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
  • Screwdriver set
  • Torque wrench
  • Transmission fluid pump
  • Fluid catch pan
  • Funnel

Parts Required

  • Transmission fluid (specific type as per manufacturer's recommendation)
  • Transmission control module (if found defective)

Additional Information

Error CodeP0700
Component

Transmission

Repair Time

2-4 hours

Difficulty

medium

Severity

high

Tools

8 items

Parts

2 items

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