how to fix B1318 code in Honda Accord 10th Generation (2018-2022)

Solution

1. Preparation

• Gather necessary tools and parts.
• Ensure the vehicle is parked on a flat surface and the ignition is turned off.
• Disconnect the negative terminal of the battery to prevent electrical shock.

2. Inspect and Clean Battery Terminals

• Remove the battery terminal connectors (negative first, then positive).
• Clean the terminals and connectors using a wire brush and a mixture of baking soda and water.
• Dry the terminals and apply a thin layer of petroleum jelly to prevent future corrosion.

3. Replace Battery Sensor (if necessary)

• Locate the battery sensor, usually mounted on the battery.
• Disconnect the wiring harness connected to the battery sensor.
• Remove the sensor by unscrewing any securing bolts.
• Install the new battery sensor in reverse order, ensuring it is securely fastened and the wiring harness is connected properly.

4. Replace Battery (if necessary)

• If the battery is determined to be faulty, remove it by reversing the terminal removal process.
• Install the new battery, ensuring correct placement (positive terminal first).
• Reconnect the battery terminals securely.

5. Reset the Codes

• Reconnect the negative battery terminal.
• Use the OBD-II scanner to clear any diagnostic trouble codes and reset the check engine light.