how to fix B1610 code in my Toyota RAV4 XA50 (2019-2024)

Solution

1. Preparation

• Gather necessary tools and parts.
• Ensure the vehicle is parked on a level surface and the ignition is off.

2. Key Fob Battery Replacement

1. Remove the Key Fob: Use a small flathead screwdriver to gently pry apart the key fob casing.
2. Replace Battery: Take out the old battery (usually CR2032) and replace it with a new one, ensuring the positive side is facing up.
3. Reassemble the Fob: Carefully snap the key fob casing back together.

3. Antenna Inspection

1. Locate Antenna: Find the smart key antenna, typically located near the ignition switch.
2. Visual Inspection: Check for any visible damage or loose connections.
3. Reconnect Loose Wires: If any wires are loose, reconnect them securely.

4. ECU and BCM Check

1. Access ECU/BCM: Remove any necessary covers to access the ECU and BCM.
2. Inspect Connections: Check all connectors for corrosion, loose wires, or damage.
3. Update Software: If applicable, use a compatible diagnostic tool to check for software updates and reprogram if needed.

5. Battery Check

1. Test Battery Voltage: Use a multimeter to check the battery voltage.
2. Replace Battery if Needed: If the voltage is below 12.4V, replace the vehicle's battery.