C1961 – OBD-II DTC

OBD-II DTC C1961 – Park Lamp Relay Coil Circuit Failure

DTC C1961 meaning

DTC C1961 refers to a diagnostic trouble code indicating a failure in the Park Lamp Relay Coil Circuit. This code is part of the On-Board Diagnostics II (OBD-II) system, which monitors various vehicle components and systems for faults. The Park Lamp Relay is responsible for controlling the operation of the park lamps, and a failure in this circuit can lead to issues with the vehicle’s lighting system.

DTC C1961 symptoms

Common symptoms associated with DTC C1961 may include:

• Park lamps not functioning or flickering
• Dashboard warning lights illuminated
• Inconsistent operation of other lighting systems
• Possible issues with related electrical components

DTC C1961 causes

Several factors can lead to the triggering of DTC C1961, including:

• Faulty park lamp relay
• Wiring issues such as shorts or open circuits
• Corroded or loose electrical connections
• Defective control module
• Faulty sensors or switches related to the lighting system

DTC C1961 seriousness

The seriousness of DTC C1961 can vary based on the specific symptoms and the vehicle’s overall condition. While it may not pose an immediate safety risk, non-functioning park lamps can lead to visibility issues, especially during nighttime driving. Additionally, it may indicate underlying electrical problems that could affect other systems in the vehicle.

How to diagnose DTC C1961

To diagnose DTC C1961, follow these steps:

1. Use an OBD-II scanner to confirm the presence of the code.
2. Inspect the park lamp relay for physical damage or corrosion.
3. Check the wiring and connectors for signs of wear, shorts, or disconnections.
4. Test the park lamp relay operation using a multimeter.
5. Examine the control module and related components for faults.

How to fix DTC C1961 step-by-step instructions

To fix DTC C1961, follow these step-by-step instructions:

1. Replace the faulty park lamp relay if it is determined to be defective.
2. Repair or replace any damaged wiring or connectors found during inspection.
3. Ensure all electrical connections are clean and secure.
4. Test the lighting system to confirm proper operation after repairs.
5. Clear the DTC using an OBD-II scanner and perform a test drive to ensure the code does not return.

How to erase DTC C1961

To erase DTC C1961, follow these steps:

1. Connect an OBD-II scanner to the vehicle’s diagnostic port.
2. Turn the ignition key to the “On” position 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 verify that the code has been cleared.

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