B0956:3B Code - Parking Assist Front Sensor Right Middle Circuit Self-Test Malfunction
Quick Answer
The object sensors are 3-wire sensors that are used to determine the distance between the vehicle and an object of interest. Common causes include Faulty Parking Assist Front Sensor Right Middle, Parking Assist Front Sensor Right Middle harness is open or shorted, Parking Assist Front Sensor Right 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
- B0956:3B indicates Parking Assist Front Sensor Right Middle Circuit Self-Test Malfunction.
- Common causes
- Common causes include Faulty Parking Assist Front Sensor Right Middle, Parking Assist Front Sensor Right Middle harness is open or shorted, Parking Assist Front Sensor Right 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 B0956:3B Description
What are the Possible Causes of the DTC B0956:3B?
- Faulty Parking Assist Front Sensor Right Middle
- Parking Assist Front Sensor Right Middle harness is open or shorted
- Parking Assist Front Sensor Right Middle circuit poor electrical connection
- Faulty Parking Assist Control Module
How to Fix the DTC B0956:3B?
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
B0956:02 Parking Assist Front Sensor Right Middle Circuit Short to Ground
B0956:04 Parking Assist Front Sensor Right Middle Circuit Open
B0956:06 Parking Assist Front Sensor Right Middle Circuit Low Voltage/Open
B0956:08 Parking Assist Front Sensor Right Middle Circuit Performance - Signal Invalid
B0956:18 Parking Assist Front Sensor Right Middle Circuit Low Signal Amplitude
B0956:21 Parking Assist Front Sensor Right Middle Circuit Incorrect Period
B0956:22 Parking Assist Front Sensor Right Middle Circuit Too Short Low-Time
B0956:3A Parking Assist Front Sensor Right Middle Circuit Incorrect Component Installed
B0956:3B Parking Assist Front Sensor Right Middle Circuit Self-Test Malfunction
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the B0956:3B 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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Frequently Asked Questions about B0956:3B Code
What does the OBDII code B0956:3B mean?
The code B0956:3B indicates a self-test malfunction in the Parking Assist Front Sensor Right Middle Circuit, meaning the sensor or its circuit is not performing correctly during the system's self-check.
What are the common symptoms of the B0956:3B code?
Common symptoms include the parking assist system not functioning, a warning message or light on the dashboard, and intermittent or no response from the right middle front parking sensor.
What causes the B0956:3B code to be triggered?
Possible causes include a faulty front right middle parking sensor, damaged wiring or connectors in the sensor circuit, corrosion at the connector, or a malfunctioning parking assist module.
Can I drive with the B0956:3B code active?
Yes, you can drive with this code active, but the parking assist system may not function properly, increasing the risk of parking-related accidents.
How do I diagnose the B0956:3B code?
Start by inspecting the wiring and connectors for damage or corrosion near the affected sensor. Use a diagnostic tool to confirm the fault and test the sensor and its circuit for continuity and proper operation.
How do I fix the B0956:3B code?
Repairs may include replacing the faulty front right middle parking sensor, repairing or replacing damaged wiring, cleaning corroded connectors, or reprogramming or replacing the parking assist module if needed.
How much does it cost to repair the B0956:3B code?
The cost varies based on the cause, but replacing a parking sensor typically costs $100-$300, while wiring repairs could range from $50-$200. Module replacement, if necessary, can cost significantly more.
Can I reset the B0956:3B code without repairs?
While you can clear the code using an OBDII scanner, the issue will likely return if the underlying problem is not resolved.
Does weather affect the B0956:3B code?
Yes, extreme weather conditions like heavy rain or snow can cause temporary faults if moisture enters the sensor or its connectors, potentially triggering the code.
Is a professional mechanic required to fix the B0956:3B code?
While DIY repair is possible for simple issues like cleaning connectors or replacing a sensor, a professional mechanic is recommended for more complex diagnosis or repairs involving the system's module.
Discuss the causes and fixes for B0956:3B OBDII Code
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