B0959:04 Code - Parking Assist Rear Sensor Left Middle Circuit Open
Quick Answer
The B0959:04 diagnostic trouble code indicates that there is an open circuit in the parking assist rear sensor left middle of the vehicle. Common causes include Damaged or corroded wiring connected to the rear sensor left middle, Faulty rear sensor left middle, Water or moisture intrusion affecting the sensor circuit. 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
- B0959:04 indicates Parking Assist Rear Sensor Left Middle Circuit Open.
- Common causes
- Common causes include Damaged or corroded wiring connected to the rear sensor left middle, Faulty rear sensor left middle, Water or moisture intrusion affecting the sensor circuit.
- 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 B0959:04 Description
The B0959:04 diagnostic trouble code indicates that there is an open circuit in the parking assist rear sensor left middle of the vehicle. This sensor is responsible for detecting obstacles or objects behind the vehicle when parking or maneuvering in tight spaces. When this sensor fails to function properly due to an open circuit, it can lead to a loss of the parking assist system's effectiveness, potentially resulting in difficulty in parking and an increased risk of collisions.
Common Causes of B0959:04
- Damaged or corroded wiring connected to the rear sensor left middle.
- Faulty rear sensor left middle.
- Water or moisture intrusion affecting the sensor circuit.
- Electrical issues within the vehicle's system.
- Impact or physical damage to the sensor.
Symptoms of B0959:04
- Parking assist system not functioning properly or disabled.
- Warning light illuminated on the dashboard related to parking assist.
- Difficulty in parking or maneuvering in tight spaces.
- Audible alerts from the parking assist system not working.
How to Fix B0959:04
- Begin by visually inspecting the wiring connected to the rear sensor left middle for any signs of damage, corrosion, or loose connections.
- Test the sensor using a multimeter to check for continuity and proper electrical signal.
- Replace the rear sensor left middle if it is found to be faulty or damaged.
- Clear the diagnostic trouble code from the vehicle's computer system using a diagnostic scanner.
- Test the parking assist system to ensure proper functionality after the repair.
Cost to Fix B0959:04
The typical repair costs for addressing a B0959:04 code can vary depending on the specific vehicle make and model, the location of the repair, and the extent of the issue. In general, replacing a rear sensor left middle and addressing any wiring issues can range from $200 to $500, including parts and labor. It's important to note that diagnostic time and labor rates at auto repair shops can vary, with hourly rates typically ranging from $80 to $150. Rates may be higher at dealerships or in metropolitan areas, while independent shops may offer more competitive pricing. For a more accurate estimate, it's recommended to consult with local auto repair shops.
Tech Notes for B0959:04
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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