C1104 – OBD-II DTC

OBD-II DTC C1104 – Traction Control Active Lamp – Circuit Short to Battery

DTC C1104 meaning

DTC C1104 refers to a diagnostic trouble code indicating a problem with the traction control active lamp circuit. Specifically, it signifies a short circuit to the battery within this circuit. The traction control system is crucial for maintaining vehicle stability, and the active lamp serves as an indicator of its operational status.

DTC C1104 symptoms

Common symptoms associated with DTC C1104 may include:

• The traction control warning light illuminated on the dashboard.
• Inconsistent traction control system performance.
• Possible activation of other warning lights, such as the ABS light.
• Loss of traction control functionality.

DTC C1104 causes

Several factors can lead to the occurrence of DTC C1104, including:

• A short circuit in the wiring harness connected to the traction control active lamp.
• Faulty traction control module.
• Corroded or damaged connectors in the traction control system.
• Issues with the vehicle’s battery or electrical system.

DTC C1104 seriousness

DTC C1104 is considered a moderate to serious issue. While the vehicle may still be operable, the traction control system’s failure can lead to reduced vehicle stability, especially in adverse driving conditions. It is advisable to address this code promptly to ensure safe vehicle operation.

How to diagnose DTC C1104

To diagnose DTC C1104, follow these steps:

1. Use an OBD-II scanner to confirm the presence of the C1104 code.
2. Inspect the wiring and connectors associated with the traction control active lamp for any visible damage or corrosion.
3. Check the traction control module for proper operation and any stored codes.
4. Test the circuit for continuity and shorts to the battery using a multimeter.
5. Review the vehicle’s service manual for specific diagnostic procedures related to the traction control system.

How to fix DTC C1104 step-by-step instructions

To fix DTC C1104, follow these step-by-step instructions:

1. Disconnect the vehicle’s battery to ensure safety while working on the electrical system.
2. Inspect and repair any damaged wiring or connectors found during the diagnosis.
3. If the traction control module is faulty, replace it with a new or refurbished unit.
4. Reconnect the battery and clear the DTC using an OBD-II scanner.
5. Test drive the vehicle to ensure the traction control system is functioning correctly and the warning light does not reappear.

How to erase DTC C1104

To erase DTC C1104, follow these steps:

1. Connect an OBD-II scanner to the vehicle’s diagnostic port.
2. Turn on the ignition without starting the engine.
3. Navigate to the “Erase Codes” or “Clear DTCs” option on the scanner.
4. Confirm the action to clear the trouble codes.
5. Disconnect the scanner and start the vehicle to verify that the code does not return.

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