OBD-II DTC C1245 – ABS Outlet Valve Coil LR Circuit Short To Ground
DTC C1245 meaning
DTC C1245 refers to a diagnostic trouble code indicating a problem with the ABS (Anti-lock Braking System) outlet valve coil for the left rear wheel. Specifically, it signifies a short circuit to ground in the outlet valve coil circuit. This issue can affect the proper functioning of the ABS, which is crucial for maintaining vehicle stability during braking.
DTC C1245 symptoms
Common symptoms associated with DTC C1245 may include:
- Illumination of the ABS warning light on the dashboard
- Loss of ABS functionality, leading to potential wheel lock-up during hard braking
- Increased stopping distances
- Unusual noises from the ABS module or valves
DTC C1245 causes
The causes of DTC C1245 can vary, but typical reasons include:
- Damaged or frayed wiring in the ABS outlet valve circuit
- Corrosion or poor connections at the ABS module or valve connectors
- Faulty ABS outlet valve coil
- Moisture intrusion into the electrical components
DTC C1245 seriousness
DTC C1245 is considered a serious issue as it directly impacts the vehicle’s braking system. The ABS is designed to prevent wheel lock-up during braking, and a malfunction can lead to:
- Reduced vehicle control
- Increased risk of accidents
- Potential for brake system failure
How to diagnose DTC C1245
To diagnose DTC C1245, follow these steps:
- Use an OBD-II scanner to confirm the presence of the C1245 code.
- Inspect the wiring and connectors for the left rear ABS outlet valve for any visible damage or corrosion.
- Perform a continuity test on the outlet valve coil circuit to check for shorts to ground.
- Test the ABS outlet valve coil for proper resistance using a multimeter.
- Check the ABS control module for any additional codes or faults.
How to fix DTC C1245 step-by-step instructions
To fix DTC C1245, follow these step-by-step instructions:
- Disconnect the vehicle’s battery to ensure safety while working on the electrical system.
- Inspect the wiring harness and connectors for the left rear ABS outlet valve. Repair or replace any damaged components.
- Test the ABS outlet valve coil for proper resistance. If it is out of specification, replace the valve.
- Reconnect all connectors and wiring, ensuring they are secure and free of corrosion.
- Reconnect the vehicle’s battery and clear the DTC using an OBD-II scanner.
- Perform a test drive to ensure the ABS system is functioning correctly and the DTC does not reappear.
How to erase DTC C1245
To erase DTC C1245, follow these steps:
- Connect an OBD-II scanner to the vehicle’s diagnostic port.
- Turn on the ignition without starting the engine.
- Navigate to the “Erase Codes” or “Clear DTCs” option on the scanner.
- Confirm the action to clear the trouble codes.
- Disconnect the scanner and turn off the ignition.
- Start the vehicle and check if the ABS warning light remains off.