C1115 – OBD-II DTC

OBD-II DTC C1115 – ABS Power Relay Output Short Circuit To Battery

DTC C1115 meaning

DTC C1115 refers to a diagnostic trouble code indicating a short circuit in the ABS power relay output to the battery. This code is specific to the Anti-lock Braking System (ABS) and suggests that there is an electrical issue affecting the relay responsible for powering the ABS module.

DTC C1115 symptoms

Common symptoms associated with DTC C1115 may include:

• Illumination of the ABS warning light on the dashboard
• Loss of ABS functionality
• Increased stopping distances during braking
• Unusual noises from the ABS module
• Potential activation of the traction control warning light

DTC C1115 causes

Several factors can lead to the occurrence of DTC C1115, including:

• Faulty ABS power relay
• Wiring issues, such as frayed or damaged wires
• Corrosion or poor connections in the electrical system
• Short circuits in the ABS module or related components
• Defective ABS control module

DTC C1115 seriousness

DTC C1115 is considered a serious issue as it directly affects the vehicle’s braking system. The ABS is crucial for maintaining control during emergency braking situations, and a malfunction can lead to increased stopping distances and potential loss of vehicle control. It is important to address this code promptly to ensure safe vehicle operation.

How to diagnose DTC C1115

To diagnose DTC C1115, follow these steps:

1. Use an OBD-II scanner to confirm the presence of the C1115 code.
2. Inspect the ABS power relay for any visible signs of damage or corrosion.
3. Check the wiring and connectors associated with the ABS system for frays or loose connections.
4. Test the ABS power relay using a multimeter to ensure it is functioning correctly.
5. Examine the ABS control module for any faults or short circuits.
6. Clear the code and perform a road test to see if the code reappears.

How to fix DTC C1115 step-by-step instructions

To fix DTC C1115, follow these steps:

1. Disconnect the vehicle’s battery to ensure safety while working on the electrical system.
2. Inspect and replace the ABS power relay if it is found to be faulty.
3. Repair or replace any damaged wiring or connectors related to the ABS system.
4. Clean any corrosion from connectors and ensure all connections are secure.
5. Test the ABS control module for proper operation and replace if necessary.
6. Reconnect the battery and clear the DTC using an OBD-II scanner.
7. Perform a road test to verify that the ABS system is functioning correctly and that the code does not return.

How to erase DTC C1115

To erase DTC C1115, 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 “Erase Codes” or “Clear DTCs” option on the scanner.
4. Follow the prompts to clear the trouble codes from the vehicle’s computer.
5. Disconnect the scanner and turn off the ignition.
6. Start the vehicle and check if the ABS warning light is still illuminated.

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