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Engine-Codes – Generic – B0958:01

B0958:01 Code - Parking Assist Rear Sensor Left Corner Circuit Short to Ground

Quick Answer

The diagnostic trouble code (DTC) B0958:01 indicates a fault in the parking assist system, specifically relating to the left corner rear sensor circuit. Common causes include Damaged wiring or connectors in the left rear sensor circuit, Corrosion or moisture intrusion affecting the sensor or wiring, A malfunctioning left 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
B0958:01 indicates Parking Assist Rear Sensor Left Corner Circuit Short to Ground.
Common causes
Common causes include Damaged wiring or connectors in the left rear sensor circuit, Corrosion or moisture intrusion affecting the sensor or wiring, A malfunctioning left 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 Oct 17, 2024
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Code B0958:01 Description

The diagnostic trouble code (DTC) B0958:01 indicates a fault in the parking assist system, specifically relating to the left corner rear sensor circuit. This code signifies that there is a short to ground in the circuit associated with the left rear parking assist sensor. The parking assist system relies on ultrasonic sensors to detect obstacles when the vehicle is in reverse, providing auditory and visual alerts to the driver. When a short to ground occurs, the sensor may fail to operate correctly, leading to inaccurate readings or complete failure of the parking assist feature.

OBDII Code B0958:01 - Parking Assist Rear Sensor Left Corner Circuit Short to Ground
B0958:01 Code - Parking Assist Rear Sensor Left Corner Circuit Short to Ground

Common Causes of B0958:01

  1. Damaged wiring or connectors in the left rear sensor circuit.
  2. Corrosion or moisture intrusion affecting the sensor or wiring.
  3. A malfunctioning left rear parking assist sensor.
  4. Faulty electronic control module (ECM) or software issues.
  5. Improper installation or aftermarket modifications affecting the sensor circuit.

Symptoms of B0958:01

  1. Inoperative left rear parking assist sensor.
  2. Continuous beeping or warning alerts when the vehicle is in reverse.
  3. Inconsistent or erratic readings from the parking assist system.
  4. Dashboard warning light illuminated for the parking assist system.
  5. Reduced functionality of the entire parking assist system.

How to Fix B0958:01

  1. Visual Inspection: Begin with a thorough visual inspection of the wiring and connectors associated with the left rear parking assist sensor. Look for signs of damage, corrosion, or loose connections.
  2. Test the Sensor: Use a multimeter to check the resistance and voltage of the left rear parking assist sensor. If the readings are outside the manufacturer's specifications, the sensor may need replacement.
  3. Repair Wiring: If damaged wiring is found, repair or replace the affected sections to ensure proper continuity in the circuit.
  4. Check the Control Module: If the sensor and wiring are functioning correctly, diagnose the electronic control module (ECM) for faults or software issues that may be affecting the parking assist system.
  5. Clear Codes and Test: After repairs are made, clear the diagnostic trouble codes using a scan tool and perform a test drive to ensure the parking assist system is functioning correctly.

Cost to Fix B0958:01

The typical repair costs for addressing the B0958:01 code can vary widely based on the specific issue identified during diagnosis. On average, the cost may range from $150 to $600, which includes parts and labor. For instance, a replacement sensor may cost between $50 to $200, while labor rates can vary significantly. Most auto repair shops charge between $80 and $150 per hour; however, rates in metropolitan areas or at dealerships may be higher, while independent shops often charge less. It is advisable to check local rates for a more precise estimate, as the total cost will depend on the complexity of the issue and the time required for diagnosis and repair.

What does this mean?

Tech Notes for B0958:01

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.

Frequently Asked Questions about B0958:01 Code

1. What are the common symptoms of OBDII code B0958:01?

The common symptoms of OBDII code B0958:01 (Parking Assist Rear Sensor Left Corner Circuit Short to Battery) include issues with the rear parking assist system, such as constant beeping or warning messages indicating a problem with the left corner sensor.

2. What causes OBDII code B0958:01 to trigger?

OBDII code B0958:01 is triggered when there is a short circuit to the battery in the left corner sensor circuit of the rear parking assist system. This could be due to damaged wiring, a faulty sensor, or a malfunction in the control module.

3. How can I diagnose OBDII code B0958:01?

Diagnosing OBDII code B0958:01 involves using a scan tool to retrieve the code and then inspecting the wiring and sensor in the left corner of the rear parking assist system for any visible damage or issues. Testing the sensor's resistance and checking for proper voltage can also help pinpoint the problem.

4. Can I still drive my vehicle with OBDII code B0958:01 present?

While it may be possible to drive the vehicle with OBDII code B0958:01 present, it is not recommended as the rear parking assist system may not function properly, potentially leading to accidents or collisions while parking.

5. How can I repair OBDII code B0958:01?

Repairing OBDII code B0958:01 involves fixing the short circuit to the battery in the left corner sensor circuit. This may require repairing or replacing damaged wiring, replacing the faulty sensor, or addressing any issues with the control module.

6. Are there any DIY tips for fixing OBDII code B0958:01?

If you are experienced with automotive electrical systems, you may attempt to visually inspect the wiring and sensor in the left corner of the rear parking assist system for any obvious damage. However, for a proper repair, it is recommended to seek assistance from a professional technician.

7. Will resetting the OBDII code B0958:01 make it go away permanently?

Resetting the OBDII code B0958:01 may temporarily clear the code, but if the underlying issue causing the short circuit to the battery in the left corner sensor circuit is not addressed, the code is likely to reappear. It is important to diagnose and repair the root cause of the problem.

8. How much does it typically cost to repair OBDII code B0958:01?

The cost of repairing OBDII code B0958:01 can vary depending on the extent of the damage, the parts needed for replacement, and the labor rates of the repair shop. It is recommended to obtain quotes from different shops for an accurate estimate.

9. Can extreme weather conditions cause OBDII code B0958:01 to trigger?

Extreme weather conditions such as heavy rain or snow may potentially damage the wiring or sensor in the left corner of the rear parking assist system, leading to a short circuit that triggers OBDII code B0958:01.

10. Is it safe to ignore OBDII code B0958:01 and continue driving?

Ignoring OBDII code B0958:01 is not recommended as it indicates a malfunction in the rear parking assist system, which is designed to enhance safety while parking. Continuing to drive without addressing the issue may pose a risk of accidents or damage to the vehicle.

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