how to resolve the U0101 code on my Honda Pilot YF3 (2016-2022)?

Solution

1. Preparation

• Gather tools and necessary replacement parts.
• Disconnect the vehicle battery to ensure safety while working on electrical systems.

2. Inspect Wiring and Connectors

• Remove the under-hood fuse box cover and visually inspect the TCM connectors.
• Clean the connectors with electronic cleaner if corrosion is present.
• Secure any loose connections and ensure all pins are seated properly.

3. Check Power and Ground Circuits

• Reconnect the battery.
• Using a multimeter, check the voltage at the TCM connector. It should typically be around 12V.
• Test the ground connection by checking continuity to the vehicle chassis. If there is no continuity or improper voltage, repair the circuit accordingly.

4. Replace TCM (if necessary)

• If the TCM is found to be faulty, remove it:
  • Unplug the electrical connectors from the TCM.
  • Remove the mounting bolts using a socket set.
• Install the new TCM:
  • Position the new TCM and secure it with bolts to the mounting bracket.
  • Reconnect the electrical connectors ensuring a firm fit.

5. Reconnect Battery and Clear Codes

• Reconnect the vehicle’s battery.
• Use an OBD-II scanner to clear the U0101 code from the system.
• Start the vehicle and allow it to idle, then take it for a test drive to ensure the issue is resolved.