FAULTBASE
Error CodesASKCars
© 2025 FAULTBASE
All rights reserved.
v2.0.0 • Production
ContactPrivacyImpressum
Home/Cars/Ford/F-150/Fourteenth Generation (2021-present)/how to fix Ford F-150 transmission codes P0700 to P0799

how to fix Ford F-150 transmission codes P0700 to P0799

Ford F-150 Fourteenth Generation (2021-present)

Error Codes
Severity: highDifficulty: mediumError Code: P0700-P07992-4 hours
3 min read
477 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 transmission codes P0700 to P0799 in Ford F-150. Step-by-step guide with diagnostic procedures and repair instructions.

Error Code
P0700-P0799
Affected Component
Transmission
Estimated Time
2-4 hours

Safety Warnings

  • ⚠Disconnect the battery before working on electrical systems to avoid shorts.
  • ⚠Allow the transmission to cool before draining fluid to prevent burns.

Symptoms

  • •Check engine light illuminated
  • •Erratic shifting or harsh shifts during gear change
  • •Transmission slipping or not engaging
  • •Delay in engagement when shifting from park to drive
  • •Poor acceleration or loss of power
  • •Unusual noises coming from the transmission during operation

Diagnostic Steps

  1. 1Scan the vehicle's OBD-II system for specific transmission-related error codes.
  2. 2Inspect the transmission fluid level and condition (check for contamination or burnt smell).
  3. 3Examine the wiring and connectors related to the transmission control module (TCM) for damage or corrosion.
  4. 4Test the transmission range sensor (neutral safety switch) for proper operation.
  5. 5Check for any TCM software updates from the manufacturer.
  6. 6Inspect solenoids within the transmission for proper resistance and function.

Solution

Solution

1. Preparation

  • Gather all necessary tools and parts.
  • Disconnect the vehicle battery to prevent electrical shorts.

2. Fluid Change

  • Sub-steps:
    1. Raise the vehicle securely on jack stands.
    2. Remove the transmission pan and drain the old fluid into a suitable container.
    3. Replace the transmission filter if applicable.
    4. Clean the transmission pan and magnet to remove debris.
    5. Reinstall the pan with a new gasket and torque to manufacturer specifications, typically around 10-12 ft-lbs.
    6. Fill the transmission with the appropriate fluid (consult owner's manual for type and capacity).

3. Sensor and Solenoid Inspection

  • Sub-steps:
    1. Locate the transmission range sensor and disconnect the wiring harness.
    2. Use a multimeter to test for continuity and resistance; replace the sensor if out of specification.
    3. Identify and test each solenoid by disconnecting them and measuring resistance; replace any faulty solenoids.

4. TCM Check

  • Sub-steps:
    1. Reconnect the battery and use an OBD-II scanner to check for TCM software updates.
    2. If updates are available, follow the manufacturer instructions to reprogram the TCM.
    3. Clear all fault codes and test drive the vehicle to monitor for any reoccurrence.

5. Recalibration (if necessary)

  • Sub-steps:
    1. If the vehicle has a relearn procedure for the transmission, follow the specific steps as outlined in the service manual.
    2. This may involve specific driving patterns to allow the transmission to adapt to changes.

Tools Required:

  • OBD-II scanner
  • Multimeter
  • Socket set
  • Torque wrench
  • Transmission fluid pump
  • Fluid container for draining

Parts Required:

  • Transmission fluid
  • Transmission filter (if applicable)
  • Gasket for transmission pan
  • Transmission range sensor (if faulty)
  • Transmission solenoids (if faulty)

Estimated Repair Time: 2-4 hours

Safety Warnings:

  • Disconnect the battery before working on electrical systems to avoid shorts.
  • Allow the transmission to cool before draining fluid to prevent burns.

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 pump
  • •Fluid container for draining

Parts Required

  • •Transmission fluid
  • •Transmission filter (if applicable)
  • •Gasket for transmission pan
  • •Transmission range sensor (if faulty)
  • •Transmission solenoids (if faulty)

Additional Information

Error Code
P0700-P0799
Affected Component
Transmission
Estimated Time
2-4 hours
Difficulty
medium
Severity
high
Tools Required
6 items
Parts Required
5 items

Related Faults

  1. how to address the ABS light on my Ford F-150 Fourteenth Generation (2021-present)

    Learn how to diagnose and fix the ABS light issue on your Ford F-150 (2021-present). Step-by-step guide with symptoms, diagnostic steps, and repair instructions.

    Brakes5 symptoms

  2. how to diagnose the P0174 code on my Ford F-150 Fourteenth Generation (2021-present)

    Learn how to diagnose and fix P0174 lean condition in Ford F-150. Step-by-step guide with diagnostic procedures and repair instructions.

    P0174Engine6 symptoms

  3. how to diagnose a P0420 code on my Ford F-150 Fourteenth Generation (2021-present)?

    Learn how to diagnose and fix P0420 exhaust system issues in Ford F-150 (2021-present). Step-by-step guide with symptoms, diagnostic steps, and repair instructions.

    P0420Exhaust System5 symptoms

  4. what causes condensation to form inside my Ford F-150

    Learn how to diagnose and fix condensation issues inside your Ford F-150. Step-by-step guide with symptoms, diagnostic steps, and repair instructions.

    HVAC5 symptoms

  5. why does my Ford F-150 have a chemical smell coming from the vents

    Learn how to diagnose and fix a chemical smell from the vents in your Ford F-150. Step-by-step guide with symptoms, diagnostic steps, and repair instructions.

    HVAC5 symptoms

  6. how to handle a P0302 code in my Ford F-150?

    Learn how to diagnose and fix P0302 cylinder 2 misfire in Ford F-150. Step-by-step guide with diagnostic procedures and repair instructions.

    P0302Engine5 symptoms

Share this solution

Comments

Sign in to share your thoughts

Sign In

No comments yet

Be the first to share your thoughts

Back to Generation