B0954:04 Code - Parking Assist Front Sensor Left Corner Circuit Open
Quick Answer
The B0954:04 diagnostic trouble code (DTC) indicates that there is an open circuit in the front left corner parking assist sensor of the vehicle. Common causes include Wiring harness or connector damage affecting the front left corner sensor circuit, Corrosion or moisture intrusion in the sensor connectors, Sensor malfunction or internal failure. Severity is Low - monitor the vehicle and repair when practical. The vehicle can usually be driven if no severe symptoms are present, but symptoms should be checked before extended driving.
- What it means
- B0954:04 indicates Parking Assist Front Sensor Left Corner Circuit Open.
- Common causes
- Common causes include Wiring harness or connector damage affecting the front left corner sensor circuit, Corrosion or moisture intrusion in the sensor connectors, Sensor malfunction or internal failure.
- Severity
- Low - monitor the vehicle and repair when practical.
- Can I drive?
- The vehicle can usually be driven if no severe symptoms are present, but symptoms should be checked before extended driving.
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Code B0954:04 Description
The B0954:04 diagnostic trouble code (DTC) indicates that there is an open circuit in the front left corner parking assist sensor of the vehicle. This sensor is responsible for detecting objects in the vehicle's path, especially during parking maneuvers. When this sensor fails to function properly due to an open circuit, it can compromise the vehicle's parking assist system, leading to potential safety hazards and hindering the driver's ability to navigate tight spaces.
Common Causes of B0954:04
- Wiring harness or connector damage affecting the front left corner sensor circuit.
- Corrosion or moisture intrusion in the sensor connectors.
- Sensor malfunction or internal failure.
- Electronic control unit (ECU) issues affecting sensor communication.
- Physical damage to the sensor due to impacts or debris.
Symptoms of B0954:04
- Loss of parking assist functionality on the front left side of the vehicle.
- Inability to detect obstacles or objects in close proximity during parking.
- Warning lights or messages related to the parking assist system on the instrument cluster.
- Audible alerts or beeping sounds indicating a malfunction in the parking assist system.
How to Fix B0954:04
- Begin by visually inspecting the wiring harness, connectors, and sensor for any visible damage, corrosion, or loose connections.
- Use a multimeter to test the continuity of the circuit from the sensor to the ECU to identify any open circuits.
- Replace the front left corner sensor if it is found to be faulty or damaged.
- Repair or replace any damaged wiring harnesses or connectors as needed.
- Clear the DTC from the vehicle's ECU using a diagnostic scan tool to reset the parking assist system.
Cost to Fix B0954:04
The cost of repairing a B0954:04 DTC can vary depending on the specific cause of the issue and the parts and labor required for the repair. In general, replacing a parking assist sensor or repairing wiring harnesses can cost between $150 to $300, including parts and labor. However, additional costs may apply if the issue is more complex or if multiple sensors need to be replaced. It is advisable to consult with a professional mechanic or auto repair shop to get a more accurate estimate based on the vehicle's make and model, as well as the extent of the repair needed. Keep in mind that diagnostic time and labor rates can also affect the overall cost of the repair, so it is recommended to inquire about these factors before proceeding with the repair.
Tech Notes for B0954:04
B0954:02 Parking Assist Front Sensor Left Corner Circuit Short to Ground
B0954:04 Parking Assist Front Sensor Left Corner Circuit Open
B0954:06 Parking Assist Front Sensor Left Corner Circuit Low Voltage/Open
B0954:08 Parking Assist Front Sensor Left Corner Circuit Performance - Signal Invalid
B0954:18 Parking Assist Front Sensor Left Corner Circuit Low Signal Amplitude
B0954:21 Parking Assist Front Sensor Left Corner Circuit Incorrect Period
B0954:22 Parking Assist Front Sensor Left Corner Circuit Too Short Low-Time
B0954:3A Parking Assist Front Sensor Left Corner Circuit Incorrect Component Installed
B0954:3B Parking Assist Front Sensor Left Corner Circuit Self-Test Malfunction
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