C1105 – OBD-II DTC

OBD-II DTC C1105 – Traction Control Disable Lamp – Circuit Short to Battery

DTC C1105 meaning

DTC C1105 refers to a diagnostic trouble code indicating a problem with the Traction Control Disable Lamp circuit. Specifically, it signifies a short circuit to the battery within this circuit. This issue can prevent the traction control system from functioning properly, potentially affecting vehicle stability and safety.

DTC C1105 symptoms

Common symptoms associated with DTC C1105 may include:

• Illumination of the traction control warning light on the dashboard
• Inability to activate or deactivate the traction control system
• Possible loss of traction control functionality
• Erratic behavior of the vehicle during acceleration or cornering

DTC C1105 causes

Several factors can lead to the occurrence of DTC C1105, including:

• Wiring issues such as frayed or damaged wires in the traction control disable lamp circuit
• Faulty connectors that may cause poor electrical connections
• Short circuits in the circuit due to moisture or corrosion
• Defective traction control module or related components

DTC C1105 seriousness

The seriousness of DTC C1105 can vary, but it is generally considered a moderate issue. While the vehicle may still be operable, the lack of traction control 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 C1105

To diagnose DTC C1105, follow these steps:

1. Use an OBD-II scanner to confirm the presence of the C1105 code.
2. Inspect the wiring and connectors associated with the traction control disable lamp circuit for any visible damage.
3. Check for any additional trouble codes that may provide more context to the issue.
4. Test the voltage and ground at the traction control disable lamp circuit to ensure proper operation.
5. Examine the traction control module for any faults or malfunctions.

How to fix DTC C1105 step-by-step instructions

To fix DTC C1105, follow these step-by-step instructions:

1. Disconnect the vehicle’s battery to ensure safety while working on the electrical system.
2. Inspect the wiring and connectors for any signs of damage or corrosion, and repair or replace as necessary.
3. Check the traction control disable lamp for proper operation and replace it if faulty.
4. Test the traction control module and replace it if it is determined to be defective.
5. Reconnect the battery and clear the DTC using an OBD-II scanner.
6. Perform a test drive to ensure the traction control system is functioning correctly and the code does not reappear.

How to erase DTC C1105

To erase DTC C1105, 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. Navigate to the option to clear or erase trouble codes on the scanner.
4. Confirm the action to erase the DTC.
5. Disconnect the scanner and start the vehicle to verify that the code has been cleared.

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