C1247 – OBD-II DTC

OBD-II DTC C1247 – ABS Outlet Valve Coil RR Circuit Open

DTC C1247 meaning

DTC C1247 refers to a diagnostic trouble code indicating an issue with the ABS (Anti-lock Braking System) outlet valve coil for the right rear wheel. Specifically, it signifies that there is an open circuit in the outlet valve coil, which can prevent the ABS from functioning correctly. This code is part of the OBD-II system, which monitors various vehicle systems for faults.

DTC C1247 symptoms

Common symptoms associated with DTC C1247 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
  • Possible traction control system issues

DTC C1247 causes

Several factors can lead to the triggering of DTC C1247, including:

  • Faulty ABS outlet valve coil
  • Wiring issues, such as frayed or broken wires in the circuit
  • Corrosion or poor connections in the electrical connectors
  • Faulty ABS control module
  • Issues with the vehicle’s battery or charging system

DTC C1247 seriousness

DTC C1247 is considered a serious issue because it affects the ABS functionality. Without a functioning ABS, the vehicle may experience reduced braking performance, especially in slippery conditions. This can increase the risk of accidents, making it crucial to address the problem promptly.

How to diagnose DTC C1247

To diagnose DTC C1247, follow these steps:

  1. Use an OBD-II scanner to confirm the presence of the C1247 code.
  2. Inspect the ABS outlet valve coil and associated wiring for visible damage.
  3. Check the electrical connections for corrosion or loose connections.
  4. Test the resistance of the outlet valve coil using a multimeter to ensure it is within specifications.
  5. Examine the ABS control module for any faults or issues.
  6. Clear the code and perform a road test to see if the code returns.

How to fix DTC C1247 step-by-step instructions

To fix DTC C1247, follow these steps:

  1. Disconnect the vehicle’s battery to ensure safety while working on the electrical system.
  2. Inspect the wiring and connectors related to the ABS outlet valve coil for any signs of damage or corrosion.
  3. If damaged wiring is found, repair or replace it as necessary.
  4. Test the ABS outlet valve coil for proper resistance and replace it if it is out of specification.
  5. Reconnect all electrical connections securely and ensure there is no corrosion.
  6. Reconnect the vehicle’s battery.
  7. 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 C1247

To erase DTC C1247, follow these steps:

  1. Connect an OBD-II scanner to the vehicle’s diagnostic port.
  2. Turn on the vehicle’s ignition without starting the engine.
  3. Access the scanner’s menu and select the option to clear or erase trouble codes.
  4. Confirm the action and wait for the scanner to complete the process.
  5. Disconnect the scanner and start the vehicle to ensure the code does not return.

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