AutoCodes – Chevrolet – B0959 2018 Chevrolet Silverado

B0959 2018 Chevrolet Silverado 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 2018 Chevrolet Silverado 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.
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Code Popularity 435
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Apr 02, 2023
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Code B0959 2018 Chevrolet Silverado Description

The parking assist sensors are 3-wire ultrasonic sensors that are used to determine the distance between the vehicle and an object. The Parking Assist Control Module supplies 12 V to the parking assist sensors via the 12 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 Aid Rear Sensor signal to the Parking Assist Control Module is out of specification.
OBDII Code B0959 2018 Chevrolet Silverado - Parking Assist Rear Sensor Left Middle Circuit - AutoCodes.com
B0959 2018 Chevrolet Silverado Code - Parking Assist Rear Sensor Left Middle Circuit

What are the Possible Causes of the DTC B0959 2018 Chevrolet Silverado?

  • 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 2018 Chevrolet Silverado?

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 B0959 2018 Chevrolet Silverado 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.

Need more information about the B0959 2018 Chevrolet Silverado code?

Need more information on how to fix the B0959 2018 Chevrolet Silverado code? Get Access to Factory Service Manuals

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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 B0959 2018 Chevrolet Silverado Code

1. What are the common symptoms of OBDII code B0959 in a 2018 Chevrolet Silverado?

The common symptoms of code B0959 include a malfunctioning rear parking assist system, with the left middle sensor failing to function properly.

2. What causes the OBDII code B0959 in a 2018 Chevrolet Silverado?

The most common cause of code B0959 is a fault in the wiring or connections related to the rear parking sensor on the left middle side of the vehicle.

3. How can I diagnose the OBDII code B0959 in my 2018 Chevrolet Silverado?

To diagnose code B0959, you can use a diagnostic scanner to read the fault codes and pinpoint the issue with the left middle rear parking sensor circuit.

4. Can I still drive my 2018 Chevrolet Silverado with OBDII code B0959 present?

While it may be possible to drive with the code present, it is recommended to address the issue promptly to ensure the proper functioning of the parking assist system.

5. How can I repair OBDII code B0959 in my 2018 Chevrolet Silverado?

Repairing code B0959 involves inspecting and repairing any damaged wiring or connections related to the left middle rear parking sensor circuit.

6. Is it possible to reset OBDII code B0959 in a 2018 Chevrolet Silverado without fixing the issue?

Resetting the code without addressing the underlying issue may temporarily clear the fault code, but it is likely to reappear if the problem with the sensor circuit persists.

7. Can extreme weather conditions trigger OBDII code B0959 in a 2018 Chevrolet Silverado?

Extreme weather conditions can potentially affect the performance of the parking assist sensors, leading to faults like code B0959. However, the issue is usually related to wiring or sensor damage.

8. How much does it typically cost to repair OBDII code B0959 in a 2018 Chevrolet Silverado?

The cost of repairing code B0959 can vary depending on the extent of the damage and whether you choose to do the repairs yourself or take your vehicle to a professional mechanic.

9. Are there any preventive measures to avoid OBDII code B0959 in a 2018 Chevrolet Silverado?

Regularly inspecting the parking assist sensors and their wiring for any signs of damage or wear can help prevent issues like code B0959 from occurring.

10. Can OBDII code B0959 in a 2018 Chevrolet Silverado affect other vehicle systems?

While code B0959 specifically relates to the parking assist rear sensor left middle circuit, it is essential to address the issue promptly to prevent potential impacts on other vehicle systems that rely on accurate sensor data.

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