C1164 – OBD-II DTC

OBD-II DTC C1164 – Park Brake Actuator Assembly Switch Circuit Failure

DTC C1164 meaning

DTC C1164 refers to a diagnostic trouble code indicating a failure in the Park Brake Actuator Assembly Switch Circuit. This code is generated when the vehicle’s onboard diagnostic system detects an issue with the electrical circuit that controls the park brake actuator. The park brake actuator is responsible for engaging and disengaging the parking brake, and any malfunction in this circuit can affect the operation of the parking brake system.

DTC C1164 symptoms

Common symptoms associated with DTC C1164 may include:

• Warning light illuminated on the dashboard
• Inability to engage or disengage the parking brake
• Unusual noises when attempting to operate the parking brake
• Erratic behavior of the parking brake system

DTC C1164 causes

Several factors can lead to the occurrence of DTC C1164, including:

• Faulty park brake actuator assembly
• Damaged or corroded wiring in the switch circuit
• Defective park brake switch
• Issues with the vehicle’s electronic control unit (ECU)

DTC C1164 seriousness

DTC C1164 is considered a serious issue as it directly affects the functionality of the parking brake system. A malfunctioning parking brake can lead to safety hazards, such as the vehicle rolling away when parked. It is essential to address this code promptly to ensure the safety of the vehicle and its occupants.

How to diagnose DTC C1164

To diagnose DTC C1164, follow these steps:

1. Use an OBD-II scanner to confirm the presence of the C1164 code.
2. Inspect the park brake actuator assembly for visible damage or wear.
3. Check the wiring and connectors for signs of corrosion or disconnection.
4. Test the park brake switch for proper operation.
5. Examine the vehicle’s ECU for any related fault codes or issues.

How to fix DTC C1164 step-by-step instructions

To fix DTC C1164, 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 in the park brake actuator circuit.
3. If the park brake actuator assembly is faulty, replace it with a new unit.
4. Test the park brake switch and replace it if it is not functioning correctly.
5. Reconnect the battery and clear the DTC using an OBD-II scanner.
6. Test the parking brake system to ensure proper operation.

How to erase DTC C1164

To erase DTC C1164, 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 ensure the code does not reappear.

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