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Engine-Codes – Generic – B0959:02

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

Quick Answer

The B0959:02 diagnostic trouble code (DTC) indicates a Parking Assist Rear Sensor Left Middle Circuit Short to Ground. Common causes include Water or moisture intrusion causing a short circuit in the sensor wiring, Physical damage to the sensor or its wiring due to a collision or impact, Corrosion or rust in the sensor connector causing poor electrical connection. 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
B0959:02 indicates Parking Assist Rear Sensor Left Middle Circuit Short to Ground.
Common causes
Common causes include Water or moisture intrusion causing a short circuit in the sensor wiring, Physical damage to the sensor or its wiring due to a collision or impact, Corrosion or rust in the sensor connector causing poor electrical connection.
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 11, 2024
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Code B0959:02 Description

The B0959:02 diagnostic trouble code (DTC) indicates a Parking Assist Rear Sensor Left Middle Circuit Short to Ground. This code is specific to vehicles equipped with a parking assist system that utilizes sensors located on the rear of the vehicle to detect objects while parking. The sensor on the left middle side of the rear bumper has a circuit that is shorted to ground, causing a malfunction in the system.

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

Common Causes of B0959:02

  1. Water or moisture intrusion causing a short circuit in the sensor wiring.
  2. Physical damage to the sensor or its wiring due to a collision or impact.
  3. Corrosion or rust in the sensor connector causing poor electrical connection.
  4. Wiring harness issues, such as frayed or damaged wires, leading to a short to ground.
  5. Internal sensor failure due to age or wear and tear.

Symptoms of B0959:02

  1. Parking assist system not providing accurate distance readings.
  2. Constant beeping or false alarms while driving.
  3. Parking assist system malfunction warning light illuminated on the dashboard.
  4. Difficulty parking or maneuvering in tight spaces due to sensor issues.

How to Fix B0959:02

  1. Begin by visually inspecting the parking assist sensor on the left middle side of the rear bumper for any physical damage or signs of water intrusion.
  2. Check the sensor wiring and connector for corrosion, rust, or loose connections. Clean or repair as necessary.
  3. Use a multimeter to test the continuity of the sensor circuit and check for a short to ground. Replace the sensor if a short is detected.
  4. Clear the DTC from the vehicle's computer using a diagnostic scan tool after completing the repair.
  5. Test the parking assist system to ensure the sensor is functioning correctly and providing accurate readings.

Cost to Fix B0959:02

The typical repair costs for addressing a Parking Assist Rear Sensor Left Middle Circuit Short to Ground code can vary depending on the specific vehicle make and model, as well as the labor rates at auto repair shops. On average, the parts required for this repair, such as a new sensor, wiring harness, or connector, may range from $100 to $300. The labor costs can add an additional $100 to $200, with total repair costs falling between $200 and $500. However, it is essential to consider that labor rates can fluctuate based on location and the complexity of the repair process. It is advisable to consult with local auto repair shops to obtain a more accurate estimate for this particular issue.

What does this mean?

Tech Notes for B0959:02

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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