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Engine-Codes – Generic – B0959:22

B0959:22 Code - Parking Assist Rear Sensor Left Middle Circuit Too Short Low-Time

Quick Answer

The B0959:22 diagnostic trouble code (DTC) indicates that there is a problem with the Parking Assist Rear Sensor Left Middle Circuit being too short low-time. Common causes include Damaged or faulty rear left middle parking sensor, Short circuit in the wiring connecting the sensor to the vehicle's electrical system, Corrosion or debris affecting the sensor's performance. 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
B0959:22 indicates Parking Assist Rear Sensor Left Middle Circuit Too Short Low-Time.
Common causes
Common causes include Damaged or faulty rear left middle parking sensor, Short circuit in the wiring connecting the sensor to the vehicle's electrical system, Corrosion or debris affecting the sensor's performance.
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 15, 2024
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Code B0959:22 Description

The B0959:22 diagnostic trouble code (DTC) indicates that there is a problem with the Parking Assist Rear Sensor Left Middle Circuit being too short low-time. This code typically affects vehicles equipped with a parking assist system that uses sensors to detect obstacles when parking or maneuvering in tight spaces. The parking assist system relies on these sensors to provide accurate distance measurements and alerts to the driver to prevent collisions.

OBDII Code B0959:22 - Parking Assist Rear Sensor Left Middle Circuit Too Short Low-Time
B0959:22 Code - Parking Assist Rear Sensor Left Middle Circuit Too Short Low-Time

Common Causes of B0959:22

  1. Damaged or faulty rear left middle parking sensor.
  2. Short circuit in the wiring connecting the sensor to the vehicle's electrical system.
  3. Corrosion or debris affecting the sensor's performance.
  4. Issues with the parking assist control module.
  5. Electrical issues within the vehicle's system affecting the sensor's operation.

Symptoms of B0959:22

  1. Parking assist system not working or providing inaccurate readings.
  2. Warning lights or messages related to the parking assist system on the dashboard.
  3. Difficulty in parking or maneuvering in tight spaces.
  4. Audible alerts from the parking assist system not functioning correctly.
  5. Increased risk of collisions while parking due to lack of accurate distance measurements.

How to Fix B0959:22

  1. Begin by conducting a visual inspection of the rear left middle parking sensor and its wiring for any visible damage, corrosion, or debris. Clean the sensor and its surroundings if necessary.
  2. Use a multimeter to test the sensor's resistance and ensure it is within the manufacturer's specified range. Replace the sensor if it is faulty.
  3. Check the wiring harness for any shorts or open circuits using a wiring diagram. Repair or replace any damaged wiring as needed.
  4. Reset the parking assist system and clear the DTC using a diagnostic scan tool to ensure the code does not reappear.
  5. Test the parking assist system by parking the vehicle in different scenarios to verify that the sensor is now functioning correctly and providing accurate readings.

Cost to Fix B0959:22

The typical repair costs for addressing the B0959:22 code can vary depending on the specific cause of the issue and the vehicle's make and model. In general, replacing a rear left middle parking sensor can cost between $100 and $200, including parts and labor. If wiring repairs or replacements are necessary, additional costs may apply. Diagnostic time and labor rates at auto repair shops can range from $80 to $150 per hour, so the total cost of the repair may vary. It is advisable to consult with a professional mechanic or dealership for a more accurate estimate based on the specific circumstances of the vehicle.

What does this mean?

Tech Notes for B0959:22

B0959:01 Parking Assist Rear Sensor Left Middle Circuit Short to Battery

B0959:02 Parking Assist Rear Sensor Left Middle Circuit Short to Ground

B0959:04 Parking Assist Rear Sensor Left Middle Circuit Open

B0959:06 Parking Assist Rear Sensor Left Middle Circuit Low Voltage/Open

B0959:08 Parking Assist Rear Sensor Left Middle Circuit Performance - Signal Invalid

B0959:18 Parking Assist Rear Sensor Left Middle Circuit Low Signal Amplitude

B0959:21 Parking Assist Rear Sensor Left Middle Circuit Incorrect Period

B0959:22 Parking Assist Rear Sensor Left Middle Circuit Too Short Low-Time

B0959:3A Parking Assist Rear Sensor Left Middle Circuit Incorrect Component Installed

B0959:3B Parking Assist Rear Sensor Left Middle 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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