C1163 – OBD-II DTC

OBD-II DTC C1163 – Park Brake Switch # 2 Applied Circuit Short to Gnd

DTC C1163 meaning

DTC C1163 refers to a diagnostic trouble code indicating a problem with the Park Brake Switch #2 circuit. Specifically, it signifies that there is a short circuit to ground in the applied circuit of the park brake switch. This switch is crucial for the vehicle’s safety systems, as it informs the vehicle’s computer whether the parking brake is engaged or not.

DTC C1163 symptoms

Common symptoms associated with DTC C1163 may include:

• Illumination of the warning light on the dashboard.
• Inability to engage or disengage the parking brake properly.
• Potential issues with other systems that rely on the park brake status, such as transmission interlock.
• Erratic behavior of the vehicle’s electronic systems.

DTC C1163 causes

Several factors can lead to the occurrence of DTC C1163, including:

• A faulty park brake switch.
• Wiring issues, such as frayed or damaged wires.
• Corrosion or poor connections in the circuit.
• Short circuits caused by aftermarket modifications or repairs.
• Faulty vehicle control modules that misinterpret the switch’s status.

DTC C1163 seriousness

DTC C1163 is considered a serious issue as it can affect the vehicle’s safety and operability. If the park brake switch is malfunctioning, it may lead to:

• Inability to secure the vehicle when parked, increasing the risk of rolling.
• Potential failure of other safety systems that depend on the park brake status.
• Increased wear on the vehicle’s braking system if the parking brake is not functioning correctly.

How to diagnose DTC C1163

To diagnose DTC C1163, follow these steps:

1. Use an OBD-II scanner to confirm the presence of the C1163 code.
2. Inspect the park brake switch and its wiring for visible damage or corrosion.
3. Check the continuity of the wiring between the switch and the vehicle’s control module.
4. Test the park brake switch for proper operation using a multimeter.
5. Examine the vehicle’s control module for any related fault codes or issues.

How to fix DTC C1163 step-by-step instructions

To fix DTC C1163, 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 associated with the park brake switch.
3. Replace the park brake switch if it is found to be faulty during testing.
4. Reconnect the battery and clear the DTC using an OBD-II scanner.
5. Test the vehicle to ensure the park brake system is functioning correctly and the DTC does not reappear.

How to erase DTC C1163

To erase DTC C1163, 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. Confirm the action to clear the trouble codes.
5. Disconnect the scanner and start the vehicle to verify that the code does not return.