OBD-II DTC C1249 – ABS Outlet Valve Coil RR Circuit Short To Ground
DTC C1249 meaning
DTC C1249 refers to a diagnostic trouble code indicating a short circuit to ground in the ABS outlet valve coil for the right rear wheel. This code is part of the On-Board Diagnostics II (OBD-II) system, which monitors various vehicle systems, including the Anti-lock Braking System (ABS). When the ABS control module detects an abnormal voltage level in the outlet valve coil circuit, it triggers this code to alert the technician of a potential issue.
DTC C1249 symptoms
Common symptoms associated with DTC C1249 may include:
- Illumination of the ABS warning light on the dashboard
- Decreased braking performance, especially during hard stops
- Inconsistent or erratic ABS operation
- Potential activation of the traction control system warning light
DTC C1249 causes
Several factors can lead to the occurrence of DTC C1249, including:
- A damaged or frayed ABS outlet valve coil wiring
- Corrosion or poor connections in the electrical circuit
- Faulty ABS outlet valve coil
- Issues with the ABS control module
DTC C1249 seriousness
DTC C1249 is considered a serious issue as it directly affects the vehicle’s braking system. If left unaddressed, it can lead to:
- Increased stopping distances
- Loss of ABS functionality
- Potential safety hazards during driving
It is crucial to diagnose and repair this issue promptly to ensure safe vehicle operation.
How to diagnose DTC C1249
To diagnose DTC C1249, follow these steps:
- Use an OBD-II scanner to confirm the presence of the C1249 code.
- Inspect the ABS outlet valve coil wiring for any visible damage or wear.
- Check for corrosion or loose connections in the electrical circuit.
- Test the resistance of the ABS outlet valve coil to ensure it is within specifications.
- Examine the ABS control module for any faults or issues.
- Clear the code and perform a road test to see if the code reappears.
How to fix DTC C1249 step-by-step instructions
To fix DTC C1249, follow these step-by-step instructions:
- Disconnect the vehicle’s battery to ensure safety while working on the electrical system.
- Inspect and repair any damaged wiring or connectors related to the ABS outlet valve coil.
- If the ABS outlet valve coil is faulty, replace it with a new component.
- Reconnect any connectors and ensure all connections are secure and free of corrosion.
- Reconnect the vehicle’s battery.
- Use an OBD-II scanner to clear the DTC and perform a road test to verify that the issue is resolved.
How to erase DTC C1249
To erase DTC C1249, follow these steps:
- Connect an OBD-II scanner to the vehicle’s diagnostic port.
- Turn on the vehicle’s 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 start the vehicle to ensure the code does not reappear.
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