C1157 Code - Park Brake Actuator Assembly Switch Applied Circuit Failure
Quick Answer
The C1157 diagnostic trouble code (DTC) refers to a Park Brake Actuator Assembly Switch Applied Circuit Failure. Common causes include Faulty park brake actuator assembly switch, Damaged wiring or connectors in the circuit, Malfunctioning electronic control module (ECM). Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
- What it means
- C1157 indicates Park Brake Actuator Assembly Switch Applied Circuit Failure.
- Common causes
- Common causes include Faulty park brake actuator assembly switch, Damaged wiring or connectors in the circuit, Malfunctioning electronic control module (ECM).
- Severity
- High - diagnose this code as soon as possible.
- Can I drive?
- Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
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Code C1157 Description
The C1157 diagnostic trouble code (DTC) refers to a Park Brake Actuator Assembly Switch Applied Circuit Failure. This code indicates that there is a malfunction in the circuit that controls the park brake actuator assembly switch, which is responsible for engaging and disengaging the parking brake. The park brake actuator assembly switch is an integral part of the vehicle's braking system, as it ensures that the parking brake is applied correctly.
Common Causes of C1157
- Faulty park brake actuator assembly switch
- Damaged wiring or connectors in the circuit
- Malfunctioning electronic control module (ECM)
- Corrosion or moisture in the circuit
- Wear and tear on the park brake actuator assembly switch
Symptoms of C1157
- Illumination of the parking brake warning light on the dashboard
- Difficulty engaging or disengaging the parking brake
- Unusual noises coming from the parking brake system
- Parking brake not holding the vehicle in place
- Vehicle rolling when parked on an incline
How to Fix C1157
- Begin by conducting a thorough inspection of the park brake actuator assembly switch and the related wiring and connectors.
- Test the switch and circuit for continuity and proper voltage using a multimeter.
- Replace the park brake actuator assembly switch if it is found to be faulty.
- Repair any damaged wiring or connectors in the circuit.
- Clear the DTC and test the parking brake system to ensure proper operation.
Cost to Fix C1157
The typical cost to repair a Park Brake Actuator Assembly Switch Applied Circuit Failure can range from $150 to $300, including parts and labor. However, it is essential to note that actual repair costs can vary depending on the location, vehicle make and model, and the specific diagnosis and labor rates at the auto repair shop. It is advisable to contact local shops for accurate pricing information.
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Frequently Asked Questions about C1157 Code
1. What are common symptoms of OBDII code C1157 (Park Brake Actuator Assembly Switch Applied Circuit Failure)?
The common symptoms of code C1157 include the parking brake warning light staying illuminated on the dashboard and potential issues with the parking brake system.
2. What could cause OBDII code C1157 to trigger?
Code C1157 is typically triggered by a malfunction in the park brake actuator assembly switch, which may be caused by wiring faults, a faulty switch, or issues with the actuator itself.
3. How serious is OBDII code C1157?
While code C1157 may not directly affect the drivability of the vehicle, it is important to address the underlying issue promptly to ensure the proper functioning of the parking brake system.
4. Can I continue driving with OBDII code C1157 present?
It is generally not recommended to drive with code C1157 present, as it indicates a potential issue with the parking brake system that could compromise safety.
5. How can I diagnose OBDII code C1157?
Diagnosing code C1157 involves using a diagnostic scanner to retrieve the code, inspecting the park brake actuator assembly switch, checking for wiring faults, and testing the switch for proper functionality.
6. What are some repair tips for OBDII code C1157?
Repairing code C1157 may involve replacing the park brake actuator assembly switch, repairing any wiring faults, or addressing issues with the actuator itself. It is recommended to follow the manufacturer's repair procedures.
7. Can I reset OBDII code C1157 without fixing the underlying issue?
While you can clear the code with a diagnostic scanner, it is important to address the root cause of the issue to prevent the code from reoccurring and ensure the proper functioning of the parking brake system.
8. How much does it cost to repair OBDII code C1157?
The cost of repairing code C1157 can vary depending on the underlying issue, the extent of the repairs needed, and labor costs. It is advisable to consult a professional mechanic for an accurate estimate.
9. Are there any preventive measures to avoid OBDII code C1157?
Regular maintenance of the parking brake system, including checking the actuator assembly switch and wiring for any signs of wear or damage, can help prevent code C1157 from occurring.
10. Is OBDII code C1157 specific to certain vehicle makes and models?
Code C1157 can be found in various vehicle makes and models equipped with OBDII systems, particularly those with electronic parking brake systems.
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