how to troubleshoot P0700 transmission code on Ford F-150 13th Generation (2015-2020)

Solution

1. Preparation

• Gather tools and parts needed for the repair.
• Disconnect the vehicle's battery to ensure safety while working on electrical components.
• Gather an OBD-II scanner, multimeter, torque wrench, and socket set.

2. Inspect and Replace Transmission Fluid

• Check Fluid Level:
  • Locate the transmission dipstick and remove it, wipe clean, then reinsert to check the level.
• Replace Fluid:
  • If fluid is low or contaminated, drain the old fluid using a transmission fluid pump.
  • Replace with the manufacturer's recommended transmission fluid (e.g., Mercon LV).
  • Refill the transmission fluid to the appropriate level.

3. Inspect and Repair Wiring

• Inspect Wiring Harness:
  • Examine the TCM wiring harness for any signs of wear or damage.
  • Repair or replace any damaged wiring or connectors found during inspection.

4. Test and Replace Solenoids

• Solenoid Testing:
  • Use a multimeter to check solenoid resistance according to manufacturer specifications.
  • If any solenoids are outside of specifications, replace them.

5. Reinstall Components

• Ensure all components are securely fastened and reconnect any wiring or hoses that were disconnected during the repair process.
• Reconnect the vehicle’s battery.