Engine-CodesGeneric – B0956:18

B0956:18 Code - Parking Assist Front Sensor Right Middle Circuit Low Signal Amplitude

Quick Answer

The B0956:18 diagnostic trouble code (DTC) indicates a problem with the Parking Assist Front Sensor Right Middle Circuit in terms of low signal amplitude. Common causes include Damaged wiring or connectors affecting the signal transmission, Faulty front sensor in the right middle position, 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
B0956:18 indicates Parking Assist Front Sensor Right Middle Circuit Low Signal Amplitude.
Common causes
Common causes include Damaged wiring or connectors affecting the signal transmission, Faulty front sensor in the right middle position, 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.
Table of contents Created and updated by William Orellana on Sep 26, 2024
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Code B0956:18 Description

The B0956:18 diagnostic trouble code (DTC) indicates a problem with the Parking Assist Front Sensor Right Middle Circuit in terms of low signal amplitude. This code is typically found in vehicles equipped with parking assist systems that use sensors to detect obstacles in the vehicle's path while parking. The front sensor on the right side in the middle of the vehicle is responsible for detecting objects in that specific area.

OBDII Code B0956:18 - Parking Assist Front Sensor Right Middle Circuit Low Signal Amplitude
B0956:18 Code - Parking Assist Front Sensor Right Middle Circuit Low Signal Amplitude

Common Causes of B0956:18

  1. Damaged wiring or connectors affecting the signal transmission.
  2. Faulty front sensor in the right middle position.
  3. Corrosion or debris affecting the sensor's functionality.
  4. Issues with the sensor's connection to the vehicle's computer.
  5. Electrical problems within the parking assist system.

Symptoms of B0956:18

  1. Parking assist system not working or providing inaccurate readings.
  2. Warning lights related to the parking assist system illuminated on the dashboard.
  3. Difficulty in parking or maneuvering the vehicle in tight spaces.
  4. Audible alerts from the parking assist system not functioning properly.
  5. Increased risk of collisions while parking due to lack of sensor assistance.

How to Fix B0956:18

  1. Begin by visually inspecting the wiring and connectors related to the front sensor for any signs of damage or corrosion.
  2. Test the front sensor in the right middle position using a multimeter to check for proper signal output.
  3. Replace the front sensor if it is found to be faulty or not producing the correct signal amplitude.
  4. Clear the DTC from the vehicle's computer using a diagnostic tool to reset the system.
  5. Test the parking assist system to ensure proper functionality after the repair.

Cost to Fix B0956:18

The typical repair costs for addressing a B0956:18 code can vary depending on the specific cause of the issue and the cost of parts and labor. In general, replacing a front sensor or repairing wiring/connectors can range from $200 to $500, including parts and labor. However, the actual cost may be higher or lower based on the vehicle make and model, the location of the repair shop, and any additional diagnostic or repair work required. It's recommended to obtain quotes from local auto repair shops to get a more accurate estimate for this repair. Keep in mind that labor rates at auto repair shops can vary, with hourly rates typically ranging from $80 to $150.

Tech Notes for B0956:18

B0956:01 Parking Assist Front Sensor Right Middle Circuit Short to Battery

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

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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.

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