C1269 – OBD-II DTC

OBD-II DTC C1269 – Motor Relay # 1 Circuit Short to Battery

DTC C1269 meaning

DTC C1269 refers to a diagnostic trouble code indicating a short circuit in the Motor Relay #1 circuit to the battery. This code is part of the On-Board Diagnostics II (OBD-II) system, which monitors various vehicle components and systems for faults. The Motor Relay #1 is crucial for controlling power to various systems, and a short circuit can lead to improper functioning or failure of these systems.

DTC C1269 symptoms

Common symptoms associated with DTC C1269 may include:

• Warning lights on the dashboard, particularly the ABS or traction control lights.
• Inconsistent or non-functional ABS system.
• Loss of traction control functionality.
• Unusual noises from the relay area when the vehicle is in operation.
• Potential issues with other electrical components in the vehicle.

DTC C1269 causes

Several factors can lead to the occurrence of DTC C1269, including:

• A short circuit in the wiring harness connected to Motor Relay #1.
• Faulty Motor Relay #1 itself.
• Corrosion or damage in the relay socket or connectors.
• Issues with the vehicle’s battery or charging system.
• Faulty control module that manages the relay operation.

DTC C1269 seriousness

DTC C1269 is considered a serious issue as it can affect critical vehicle systems such as the ABS and traction control. If left unaddressed, it may lead to compromised vehicle safety and performance. It is advisable to diagnose and repair the issue promptly to ensure the vehicle operates safely and effectively.

How to diagnose DTC C1269

To diagnose DTC C1269, follow these steps:

1. Use an OBD-II scanner to confirm the presence of the C1269 code.
2. Inspect the wiring and connectors associated with Motor Relay #1 for any visible damage or corrosion.
3. Test the Motor Relay #1 for proper operation using a multimeter.
4. Check for any additional trouble codes that may provide further insight into the issue.
5. Examine the vehicle’s battery and charging system for any faults.

How to fix DTC C1269 step-by-step instructions

To fix DTC C1269, follow these step-by-step instructions:

1. Disconnect the vehicle’s battery to ensure safety while working on electrical components.
2. Inspect and repair any damaged wiring or connectors related to Motor Relay #1.
3. Replace Motor Relay #1 if it is found to be faulty during testing.
4. Clean any corrosion from the relay socket and connectors.
5. Reconnect the battery and clear the DTC using an OBD-II scanner.
6. Test drive the vehicle to ensure the issue is resolved and the warning lights do not reappear.

How to erase DTC C1269

To erase DTC C1269, 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 check if the code reappears.

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