Engine-Codes - Chevrolet - B0959 Chevrolet

B0959 Chevrolet Code - Parking Assist Rear Sensor Left Middle Circuit

- Code Popularity: 5,354 Views
- Repair Importance Level: 1/3
- Repair Difficulty Level: 2/3
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What are the Possible Causes of the DTC B0959 Chevrolet?

NOTE: The causes shown may not be a complete list of all potential problems, and it is possible that there may be other causes.
  • 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

Code Tech Notes

B0959:01 Parking Assist Rear Sensor Left Middle Circuit Short to Battery
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

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How to Fix the DTC B0959 Chevrolet?

Check the 'Possible Causes' listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector pins.

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What is the Cost to Diagnose the Code?

Labor: 1.0

The cost to diagnose the B0959 Chevrolet code is 1.0 hour of labor. The diagnosis time and labor rates at auto repair shops vary depending on the location, make and model of the vehicle, and even the engine type. Most auto repair shops charge between $75 and $150 per hour.

What are Code Possible Symptoms?

  • Engine Light ON (or Service Engine Soon Warning Light)

What Does the B0959 Chevrolet Code Mean?

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.

B0959 Chevrolet Code - Parking Assist Rear Sensor Left Middle Circuit

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