B0959 Code - Parking Assist Rear Sensor Left Middle Circuit
Quick Answer
The parking assist sensors are 3-wire ultrasonic sensors that are used to determine the distance between the vehicle and an object. Common causes include Faulty Parking Assist Rear Sensor Left Middle, Parking Assist Rear Sensor Left Middle harness is open or shorted, Parking Assist Rear Sensor Left Middle circuit 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 indicates Parking Assist Rear Sensor Left Middle Circuit.
- Common causes
- Common causes include Faulty Parking Assist Rear Sensor Left Middle, Parking Assist Rear Sensor Left Middle harness is open or shorted, Parking Assist Rear Sensor Left Middle circuit 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.
Code B0959 Description
What are the Possible Causes of the DTC B0959?
- Faulty Parking Assist Rear Sensor Left Middle
- Parking Assist Rear Sensor Left Middle harness is open or shorted
- Parking Assist Rear Sensor Left Middle circuit poor electrical connection
- Faulty Parking Assist Control Module
How to Fix the DTC B0959?
Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.
Code Tech Notes
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
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the B0959 code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.
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Information for Specific Makes
- B0959 Buick — Parking Assist Rear Sensor Left Middle Circuit
- B0959 Cadillac — Parking Assist Rear Sensor Left Middle Circuit
- B0959 Chevrolet — Parking Assist Rear Sensor Left Middle Circuit
- B0959 GMC — Parking Assist Rear Sensor Left Middle Circuit
- B0959 Pontiac — Parking Assist Rear Sensor Left Middle Circuit
- B0959 Saturn — Parking Assist Rear Sensor Left Middle Circuit
Frequently Asked Questions about B0959 Code
1. What does OBDII code B0959 mean?
Code B0959 indicates an issue with the Parking Assist Rear Sensor Left Middle Circuit, typically related to a malfunction in the sensor, wiring, or control module.
2. What are the common symptoms of B0959?
Symptoms may include the parking assist system not working, a warning light on the dashboard, or inaccurate distance readings from the rear parking sensors.
3. What causes the B0959 code?
Common causes include a faulty parking sensor, damaged wiring or connectors, corrosion, or a malfunction in the control module.
4. How is the B0959 code diagnosed?
A technician will typically use a scan tool to confirm the code, perform a visual inspection of the sensor and wiring, and test the circuit for continuity or shorts.
5. Can I drive my car with the B0959 code?
Yes, but the parking assist system may not function properly, increasing the risk of minor collisions when reversing.
6. How do I fix the B0959 code?
Repairs may include replacing the faulty parking sensor, repairing or replacing damaged wiring, cleaning corroded connectors, or reprogramming the control module if necessary.
7. How much does it cost to repair the B0959 code?
Repair costs can range from $100 to $300, depending on whether the sensor, wiring, or module needs replacement.
8. Can I reset the B0959 code without fixing the problem?
Clearing the code without addressing the root cause will likely result in the code returning and the parking assist system malfunctioning again.
9. How can I prevent the B0959 code from occurring?
Regularly inspect and clean the parking sensors and connectors to prevent dirt, corrosion, or physical damage that could trigger the code.
10. Is the B0959 code specific to certain car models?
While it is a generic OBDII code, its exact symptoms and repair procedures may vary depending on the make and model of your vehicle.
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