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Engine-Codes – Generic – B0958:04

B0958:04 Code - Parking Assist Rear Sensor Left Corner Circuit Open

Quick Answer

The B0958:04 diagnostic trouble code (DTC) indicates that there is an open circuit in the left corner of the rear parking assist sensor. Common causes include Wiring damage or breakage in the left corner sensor circuit, Corrosion or poor connections in the sensor wiring, Faulty left corner rear parking assist sensor. 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
B0958:04 indicates Parking Assist Rear Sensor Left Corner Circuit Open.
Common causes
Common causes include Wiring damage or breakage in the left corner sensor circuit, Corrosion or poor connections in the sensor wiring, Faulty left corner rear parking assist sensor.
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.
What is this?
Table of contents Created and updated by William Orellana on Sep 07, 2024
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Code B0958:04 Description

The B0958:04 diagnostic trouble code (DTC) indicates that there is an open circuit in the left corner of the rear parking assist sensor. This sensor is responsible for detecting obstacles or objects behind the vehicle when parking. An open circuit means that there is a break in the electrical connection, preventing the sensor from functioning properly. This issue can lead to the parking assist system not working correctly, potentially causing difficulty in parking and increasing the risk of accidents.

OBDII Code B0958:04 - Parking Assist Rear Sensor Left Corner Circuit Open
B0958:04 Code - Parking Assist Rear Sensor Left Corner Circuit Open

Common Causes of B0958:04

  1. Wiring damage or breakage in the left corner sensor circuit.
  2. Corrosion or poor connections in the sensor wiring.
  3. Faulty left corner rear parking assist sensor.
  4. Water damage or exposure affecting the sensor.
  5. Electrical issues in the vehicle's system affecting the sensor circuit.

Symptoms of B0958:04

  1. Malfunction or error message in the parking assist system display.
  2. Difficulty in detecting obstacles while parking.
  3. Inconsistent or erratic behavior of the parking assist system.
  4. Audible warning alerts not working properly.
  5. Visible damage to the sensor or wiring.

How to Fix B0958:04

  1. Begin by visually inspecting the left corner rear parking assist sensor and its wiring for any visible damage or corrosion.
  2. Use a multimeter to test the continuity of the sensor circuit to identify any breaks or open connections.
  3. Replace the left corner rear parking assist sensor if it is found to be faulty.
  4. Repair or replace any damaged wiring or connectors in the sensor circuit.
  5. Clear the DTC and test the parking assist system to ensure proper functionality.

Cost to Fix B0958:04

The typical repair costs for addressing a B0958:04 code can vary depending on the specific cause of the issue. In general, the cost for parts such as a new sensor and any necessary wiring could range from $100 to $300. Labor costs at auto repair shops typically range between $80 and $150 per hour, and the total repair time may vary based on the complexity of the repair. It is advisable to consult with a professional mechanic or dealership for a more accurate estimate tailored to your vehicle's make and model.

What does this mean?

Tech Notes for B0958:04

B0958:01 Parking Assist Rear Sensor Left Corner Circuit Short to Battery
B0958:02 Parking Assist Rear Sensor Left Corner Circuit Short to Ground
B0958:04 Parking Assist Rear Sensor Left Corner Circuit Open
B0958:06 Parking Assist Rear Sensor Left Corner Circuit Low Voltage/Open
B0958:08 Parking Assist Rear Sensor Left Corner Circuit Performance - Signal Invalid
B0958:18 Parking Assist Rear Sensor Left Corner Circuit Low Signal Amplitude
B0958:21 Parking Assist Rear Sensor Left Corner Circuit Incorrect Period
B0958:22 Parking Assist Rear Sensor Left Corner Circuit Too Short Low-Time
B0958:3A Parking Assist Rear Sensor Left Corner Circuit Incorrect Component Installed
B0958:3B Parking Assist Rear Sensor Left Corner Circuit Self-Test Malfunction

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About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

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