AutoCodesGeneric – B0956:3A

B0956:3A Code - Parking Assist Front Sensor Right Middle Circuit Incorrect Component Installed

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
B0956:3A indicates Parking Assist Front Sensor Right Middle Circuit Incorrect Component Installed.
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.
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Code Popularity 491
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Apr 01, 2023
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Code B0956:3A Description

The object sensors are 3-wire sensors that are used to determine the distance between the vehicle and an object of interest. The Parking Assist Control Module supplies 8 V to the object sensors via the 8 V reference circuit and provides ground via the low reference circuit. The Parking Assist Control Module triggers the sensors in a sequential loop. After each sensor transmits, the Parking Assist Control Module uses the sensor echo received through the signal circuit to calculate the distance and position of an object. The Diagnostic Trouble Code (DTC) will be set when the Parking Assist Control Module determines the wrong sensor type is installed.
OBDII Code B0956:3A - Parking Assist Front Sensor Right Middle Circuit Incorrect Component Installed - AutoCodes.com
B0956:3A Code - Parking Assist Front Sensor Right Middle Circuit Incorrect Component Installed

What are the Possible Causes of the DTC B0956:3A?

  • 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 B0956:3A?

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

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the B0956:3A 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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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.

Frequently Asked Questions about B0956:3A Code

1. What does the OBDII code B0956:3A mean?

This code indicates that the Parking Assist Front Sensor Right Middle Circuit has detected an incorrect or incompatible component installed.

2. What are the common symptoms of code B0956:3A?

Symptoms may include the parking assist system not functioning correctly, warning lights on the dashboard, or error messages related to the parking assist system.

3. What causes the B0956:3A code to appear?

The code is typically triggered by an incompatible or faulty parking sensor, incorrect installation, or a mismatch in the sensor's specifications.

4. Can a damaged wiring harness trigger code B0956:3A?

Yes, damaged or frayed wiring in the sensor circuit can cause communication issues and trigger this code.

5. How do I fix the B0956:3A code?

Inspect the right middle parking sensor and replace it if it's incompatible or defective. Check the wiring and connections for damage or poor contact.

6. Can this code appear after replacing a parking sensor?

Yes, if the replacement sensor is not compatible with the vehicle's parking assist system, this code can be triggered.

7. How do I know if the parking sensor is incompatible?

Check the part number of the sensor and ensure it matches the manufacturer’s specifications for your vehicle model and year.

8. Will clearing the code fix the issue permanently?

No, clearing the code will only temporarily remove the error if the underlying issue, such as an incompatible sensor, is not addressed.

9. Can this code affect other parking sensors in the system?

In some cases, it may cause the entire parking assist system to malfunction until the issue is resolved.

10. Is it safe to drive with the B0956:3A code present?

While it is generally safe to drive, the parking assist system may not function properly, increasing the risk of parking-related accidents.

Discuss the causes and fixes for B0956:3A OBDII Code

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