what does the C1201 code mean for my Toyota Highlander Third Generation (2014-2019)

Solution

1. Preparation

• Gather all necessary tools and parts.
• Disconnect the battery to ensure safety while working on electrical components.

2. Inspect and Clean ABS Wheel Speed Sensors

• Remove the wheel to access the ABS sensors.
• Clean the sensors with brake cleaner to remove any debris or dirt.
• Reconnect any loose or damaged wiring harnesses.

3. Check and Replace Fuses

• Locate the fuse box and identify the fuses related to ABS and VSC systems.
• Inspect each fuse for continuity using a multimeter.
• Replace any blown fuses with the same amperage rating.

4. Repair or Replace ABS Module

• If corrosion or damage is found on the ABS module, disconnect all wiring and remove the module.
• Replace with a new or refurbished ABS module if necessary.
• Reconnect all wiring securely.

5. Reconnect Battery and Test Drive

• Reconnect the battery terminals.
• Start the vehicle and check for any warning lights on the dashboard.
• Conduct a test drive to ensure proper ABS and VSC function.