B0959:3B Code - Parking Assist Rear Sensor Left Middle Circuit Self-Test Malfunction
Quick Answer
The B0959:3B diagnostic trouble code (DTC) specifically refers to a Parking Assist Rear Sensor Left Middle Circuit Self-Test Malfunction. Common causes include Faulty rear parking assist sensor, Damaged wiring or connectors in the sensor circuit, Corrosion or debris affecting the sensor's functionality. 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
- B0959:3B indicates Parking Assist Rear Sensor Left Middle Circuit Self-Test Malfunction.
- Common causes
- Common causes include Faulty rear parking assist sensor, Damaged wiring or connectors in the sensor circuit, Corrosion or debris affecting the sensor's functionality.
- 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.
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.
Code B0959:3B Description
The B0959:3B diagnostic trouble code (DTC) specifically refers to a Parking Assist Rear Sensor Left Middle Circuit Self-Test Malfunction. This code indicates that there is an issue with the self-test function of the rear parking assist sensor located on the left side in the middle of the vehicle. The parking assist system is designed to help drivers navigate tight parking spaces by alerting them to obstacles behind the vehicle. When this sensor malfunctions, it can lead to inaccurate readings or a complete failure of the parking assist system.
Common Causes of B0959:3B
- Faulty rear parking assist sensor.
- Damaged wiring or connectors in the sensor circuit.
- Corrosion or debris affecting the sensor's functionality.
- Malfunctioning control module responsible for the sensor.
- Electrical issues within the vehicle's system affecting the sensor.
Symptoms of B0959:3B
- Parking assist system not providing accurate distance warnings.
- Parking assist system showing error messages on the dashboard.
- Inability to activate the parking assist system.
- Audible warning sounds not functioning properly when parking.
How to Fix B0959:3B
- Begin by conducting a visual inspection of the rear parking assist sensor, checking for any physical damage or signs of corrosion.
- Use a multimeter to test the sensor's electrical connections and wiring for continuity and proper voltage.
- If the sensor is deemed faulty, replace it with a new OEM part compatible with the vehicle's make and model.
- Clear the DTC from the vehicle's computer system using a diagnostic scanner to reset the parking assist system.
- Test the parking assist system to ensure that the sensor is now functioning correctly and providing accurate readings.
Cost to Fix B0959:3B
The typical repair costs for addressing a Parking Assist Rear Sensor Left Middle Circuit Self-Test Malfunction can range from $200 to $500, including parts and labor. However, it is essential to note that specific diagnosis time and labor rates at auto repair shops can vary significantly based on factors such as location, vehicle make and model, and engine type. Most auto repair shops charge between $80 and $150 per hour for labor, with rates potentially higher in metropolitan areas or at dealerships, and lower at independent shops. For a more precise estimate, it is recommended to inquire about local rates before proceeding with the repair.
Tech Notes for B0959:3B
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
Need more information about the B0959:3B code?
Need more information on how to fix the B0959:3B code? Get Access to Factory Service Manuals
Need Help with the Code?
Get the B0959:3B code diagnosed by a professional: Find a repair shop in your area
Frequently Asked Questions about B0959:3B Code
No Frequently Asked Questions about B0959:3B Code found.
Discuss the causes and fixes for B0959:3B OBDII Code
Code B0959:3B comments
No comments found for this page.
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.