B0955 2018 GMC Sierra Code - Parking Assist Front Sensor Left Middle Circuit
Quick Answer
The B0955 diagnostic trouble code (DTC) for a 2018 GMC Sierra refers to an issue with the Parking Assist Front Sensor Left Middle Circuit. Common causes include Faulty front left middle parking sensor, Damaged wiring harness connecting the sensor to the control module, Corrosion or poor connection in the circuit. 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
- B0955 2018 GMC Sierra indicates Parking Assist Front Sensor Left Middle Circuit.
- Common causes
- Common causes include Faulty front left middle parking sensor, Damaged wiring harness connecting the sensor to the control module, Corrosion or poor connection in the circuit.
- 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.
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.
Code B0955 2018 GMC Sierra Description
The B0955 diagnostic trouble code (DTC) for a 2018 GMC Sierra refers to an issue with the Parking Assist Front Sensor Left Middle Circuit. This code indicates that there is a malfunction in the circuit that controls the front left middle parking sensor. The parking assist system uses sensors located on the front and rear bumpers to detect objects in close proximity to the vehicle. These sensors send signals to the control module, which then alerts the driver through visual or audible warnings if there is a potential collision risk.
Common Causes of B0955 2018 GMC Sierra
- Faulty front left middle parking sensor.
- Damaged wiring harness connecting the sensor to the control module.
- Corrosion or poor connection in the circuit.
- Malfunctioning control module.
- Water or debris intrusion affecting sensor performance.
Symptoms of B0955 2018 GMC Sierra
- Parking assist system not providing accurate distance warnings.
- Parking assist system showing constant warnings even when there are no obstacles.
- Parking assist system not functioning at all.
- Dashboard warning light related to parking assist system illuminated.
How to Fix B0955 2018 GMC Sierra
- Begin by conducting a thorough inspection of the front left middle parking sensor and its wiring harness.
- Test the sensor's functionality using a multimeter to check for proper voltage and continuity.
- Repair or replace any damaged wiring or connectors in the circuit.
- If the sensor is faulty, replace it with a new OEM part.
- Clear the DTC from the vehicle's computer using a diagnostic scanner and test the parking assist system to ensure proper operation.
Cost to Fix B0955 2018 GMC Sierra
The typical repair costs for addressing the B0955 code on a 2018 GMC Sierra can vary depending on the specific cause of the issue. In general, replacing a faulty parking sensor can cost between $100 and $200, while repairing damaged wiring or connectors may range from $50 to $150. Labor costs at auto repair shops can add an additional $80 to $150 per hour, depending on the location and shop rates. Overall, the total repair bill for this issue could range from $200 to $500, including parts and labor. It's recommended to obtain quotes from local auto repair shops to get a more accurate estimate based on your specific situation.
Tech Notes for B0955 2018 GMC Sierra
B0955:02 Parking Assist Front Sensor Left Middle Circuit Short to Ground
B0955:04 Parking Assist Front Sensor Left Middle Circuit Open
B0955:06 Parking Assist Front Sensor Left Middle Circuit Low Voltage/Open
B0955:08 Parking Assist Front Sensor Left Middle Circuit Performance - Signal Invalid
B0955:18 Parking Assist Front Sensor Left Middle Circuit Low Signal Amplitude
B0955:21 Parking Assist Front Sensor Left Middle Circuit Incorrect Period
B0955:22 Parking Assist Front Sensor Left Middle Circuit Too Short Low-Time
B0955:3A Parking Assist Front Sensor Left Middle Circuit Incorrect Component Installed
B0955:3B Parking Assist Front Sensor Left Middle Circuit Self-Test Malfunction
Need more information about the B0955 2018 GMC Sierra code?
Need more information on how to fix the B0955 2018 GMC Sierra code? Get Access to Factory Service Manuals
Need Help with the Code?
Get the B0955 2018 GMC Sierra code diagnosed by a professional: Find a repair shop in your area
Frequently Asked Questions about B0955 2018 GMC Sierra Code
1. What are the common symptoms of OBDII code B0955 in a 2018 GMC Sierra related to the Parking Assist Front Sensor Left Middle Circuit?
- The common symptoms include a malfunctioning front parking assist sensor on the left middle side of the vehicle, leading to inaccurate or non-functional parking assist features.
2. What are the possible causes of OBDII code B0955 in a 2018 GMC Sierra?
- The code B0955 can be triggered by issues such as damaged wiring or connectors, a faulty front parking assist sensor, or a problem with the control module.
3. How can I diagnose the Parking Assist Front Sensor Left Middle Circuit issue in my 2018 GMC Sierra?
- Diagnosis typically involves visually inspecting the sensor and its connections for any visible damage, checking the wiring for continuity, and using a scan tool to read the specific diagnostic trouble code.
4. What are some tips for repairing OBDII code B0955 in a 2018 GMC Sierra?
- Repairing the issue may involve repairing or replacing damaged wiring, connectors, or the front parking assist sensor itself. Sometimes, reprogramming the control module may also be necessary.
5. Can I fix the Parking Assist Front Sensor Left Middle Circuit problem in my 2018 GMC Sierra by myself?
- While basic inspections and simple repairs like checking for loose connections can be done by DIY enthusiasts, diagnosing and repairing complex issues may require professional help to ensure proper and accurate repair.
6. How critical is it to address OBDII code B0955 in a 2018 GMC Sierra?
- Addressing the code is important as it affects the functionality of the parking assist system, which can compromise safety and convenience while parking the vehicle.
7. Are there any recalls or technical service bulletins related to OBDII code B0955 in a 2018 GMC Sierra?
- It's recommended to check with a GMC dealership or refer to the manufacturer's website for any relevant recalls or technical service bulletins related to this specific OBDII code.
8. How much does it typically cost to repair OBDII code B0955 in a 2018 GMC Sierra?
- The cost of repair can vary depending on the extent of the issue, parts needed, and labor rates. It's advisable to obtain quotes from reputable auto repair shops for an accurate estimate.
9. Can a persistent B0955 code affect other systems in a 2018 GMC Sierra?
- While the code specifically relates to the parking assist system, unresolved issues with sensors or wiring could potentially impact other vehicle systems that rely on sensor data for operation.
10. Is it safe to continue driving my 2018 GMC Sierra with the Parking Assist Front Sensor Left Middle Circuit issue?
- It is generally safe to drive the vehicle with this issue, but it's important to exercise caution while parking and maneuvering in tight spaces due to the potential lack of functioning parking assist features.
Discuss the causes and fixes for B0955 2018 GMC Sierra OBDII Code
Code B0955 2018 GMC Sierra comments
No comments found for this page.
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.