what does code C1201 indicate for my Toyota Camry XV70 (2018-2024)?

Solution

1. Preparation

• Gather tools and parts needed.
• Disconnect the battery to ensure safety while working on electrical components.
• Tools required: OBD-II scanner, multimeter, socket set, screwdrivers.

2. Inspect and Repair Wiring

• Step 1: Visually inspect the wiring harnesses connected to the ABS and VSC modules for any signs of wear or damage.
• Step 2: If damaged, repair the wiring using electrical tape or heat-shrink tubing as needed.
• Step 3: Ensure all connectors are firmly seated and free of corrosion.

3. Check Wheel Speed Sensors

• Step 1: Remove the wheel to access the wheel speed sensors.
• Step 2: Clean the sensors with a non-conductive cleaner to remove any debris.
• Step 3: Reinstall the wheel and ensure proper alignment of the sensors.

4. Test ABS Module

• Step 1: Reconnect the battery and use a multimeter to test the ABS module's output.
• Step 2: Check for proper voltage and continuity as specified in the service manual.
• Step 3: Replace the ABS module if it fails to meet specifications.

5. Clear Codes and Test Drive

• Step 1: Use the OBD-II scanner to clear the C1201 code.
• Step 2: Conduct a test drive to verify that the warning light does not reappear and that all systems function correctly.