C1167 – OBD-II DTC

OBD-II DTC C1167 – Park Brake Actuator Assembly Switch Released Circuit Short to Gnd

DTC C1167 meaning

DTC C1167 refers to a diagnostic trouble code indicating a problem with the Park Brake Actuator Assembly Switch Released Circuit. Specifically, it signifies that there is a short circuit to ground in the circuit that monitors the status of the park brake actuator switch. This can affect the vehicle’s ability to determine whether the parking brake is engaged or released, potentially impacting safety features and vehicle operation.

DTC C1167 symptoms

Common symptoms associated with DTC C1167 may include:

• Warning lights on the dashboard, particularly the parking brake or brake system warning light.
• Inconsistent or erratic behavior of the parking brake system.
• Inability to engage or disengage the parking brake properly.
• Potential issues with other systems that rely on the park brake status, such as traction control or stability control.

DTC C1167 causes

Several factors can lead to the occurrence of DTC C1167, including:

• A short circuit in the wiring harness connected to the park brake actuator assembly.
• Faulty park brake actuator assembly or switch.
• Corrosion or damage to electrical connectors related to the park brake system.
• Issues with the vehicle’s body control module (BCM) or other related control modules.

DTC C1167 seriousness

DTC C1167 is considered a serious issue as it can affect the functionality of the parking brake system. A malfunctioning parking brake can lead to:

• Increased risk of the vehicle rolling when parked.
• Potential safety hazards if the parking brake cannot be relied upon during emergency situations.
• Complications with other vehicle systems that depend on accurate park brake status.

How to diagnose DTC C1167

To diagnose DTC C1167, follow these steps:

1. Use an OBD-II scanner to confirm the presence of the C1167 code.
2. Inspect the wiring and connectors associated with the park brake actuator for signs of damage or corrosion.
3. Test the park brake actuator switch for proper operation using a multimeter.
4. Check for any additional trouble codes that may provide further insight into the issue.
5. Perform a visual inspection of the vehicle’s body control module and related components.

How to fix DTC C1167 step-by-step instructions

To fix DTC C1167, 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 the park brake actuator assembly.
3. Replace the park brake actuator switch if it is found to be faulty during testing.
4. Reconnect all electrical connections and ensure they are secure and free of corrosion.
5. Reconnect the vehicle’s battery and clear the DTC using an OBD-II scanner.
6. Test the parking brake system to ensure proper operation and verify that the DTC does not return.

How to erase DTC C1167

To erase DTC C1167, 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 trouble codes section of the scanner.
4. Select the option to clear or erase the trouble codes.
5. Confirm the action and wait for the scanner to indicate that the codes have been cleared.
6. Disconnect the scanner and perform a test drive to ensure the code does not reappear.

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