B0958 GMC Code - Parking Assist Rear Sensor Left Corner Circuit
Quick Answer
The B0958 GMC code refers to an issue with the Parking Assist Rear Sensor Left Corner Circuit. Common causes include Corrosion or damage to the wiring or connectors in the rear left corner sensor circuit, Faulty rear left corner sensor, Electrical issues such as a blown fuse or short 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
- B0958 GMC indicates Parking Assist Rear Sensor Left Corner Circuit.
- Common causes
- Common causes include Corrosion or damage to the wiring or connectors in the rear left corner sensor circuit, Faulty rear left corner sensor, Electrical issues such as a blown fuse or short 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.
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Code B0958 GMC Description
The B0958 GMC code refers to an issue with the Parking Assist Rear Sensor Left Corner Circuit. This code indicates that there is a malfunction in the circuit that controls the rear left corner sensor of the parking assist system in the vehicle. The parking assist system is designed to help drivers park their vehicles safely by alerting them to obstacles in their path. When this sensor circuit malfunctions, it can lead to inaccurate readings or a complete failure of the parking assist system.
Common Causes of B0958 GMC
- Corrosion or damage to the wiring or connectors in the rear left corner sensor circuit.
- Faulty rear left corner sensor.
- Electrical issues such as a blown fuse or short circuit.
- Impact damage to the sensor from road debris or accidents.
- Water intrusion into the sensor or wiring causing a malfunction.
Symptoms of B0958 GMC
- Parking assist system not functioning properly or disabled.
- Warning lights or messages related to the parking assist system on the dashboard.
- Inaccurate or erratic readings from the rear left corner sensor.
- Difficulty parking or maneuvering the vehicle in tight spaces.
- Audible alerts from the parking assist system not working as expected.
How to Fix B0958 GMC
- Begin by diagnosing the specific cause of the issue using a diagnostic scanner to read the fault codes and testing the sensor and circuit for continuity and proper operation.
- Inspect the wiring and connectors for any signs of damage, corrosion, or loose connections. Repair or replace as needed.
- Test the rear left corner sensor for proper function and replace if faulty.
- Check the fuse related to the parking assist system and replace if blown.
- Clear the fault codes from the system and test the parking assist system to ensure proper operation.
Cost to Fix B0958 GMC
The typical repair costs for addressing the B0958 GMC code can vary depending on the specific cause of the issue and the parts and labor required for the repair. In general, the cost of replacing a faulty sensor or repairing wiring and connectors can range from $200 to $500. Additional costs may include diagnostic time and labor rates, which can vary between $80 and $150 per hour at most auto repair shops. It's recommended to consult with a professional mechanic to get an accurate estimate based on the vehicle's make and model, as well as the extent of the repair needed.
Tech Notes for B0958 GMC
B0958:02 Parking Assist Rear Sensor Left Corner Circuit Short to Ground
B0958:04 Parking Assist Rear Sensor Left Corner Circuit Open
B0958:06 Parking Assist Rear Sensor Left Corner Circuit Low Voltage/Open
B0958:08 Parking Assist Rear Sensor Left Corner Circuit Performance - Signal Invalid
B0958:18 Parking Assist Rear Sensor Left Corner Circuit Low Signal Amplitude
B0958:21 Parking Assist Rear Sensor Left Corner Circuit Incorrect Period
B0958:22 Parking Assist Rear Sensor Left Corner Circuit Too Short Low-Time
B0958:3A Parking Assist Rear Sensor Left Corner Circuit Incorrect Component Installed
B0958:3B Parking Assist Rear Sensor Left Corner Circuit Self-Test Malfunction
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Information for Specific GMC Models
- B0958 2014 GMC Sierra — Parking Assist Rear Sensor Left Corner Circuit
- B0958 2015 GMC Sierra — Parking Assist Rear Sensor Left Corner Circuit
- B0958 2016 GMC Sierra — Parking Assist Rear Sensor Left Corner Circuit
- B0958 2017 GMC Sierra — Parking Assist Rear Sensor Left Corner Circuit
- B0958 2018 GMC Sierra — Parking Assist Rear Sensor Left Corner Circuit
Frequently Asked Questions about B0958 GMC Code
1. What are the common symptoms of OBDII code B0958 GMC?
The common symptoms of code B0958 GMC include a malfunctioning rear parking assist system, warning lights on the dashboard, and audible alerts not working properly.
2. What causes OBDII code B0958 GMC to trigger?
Code B0958 GMC is typically triggered when there is a malfunction in the left corner circuit of the rear parking assist sensor. This could be due to sensor damage, wiring issues, or a faulty control module.
3. How can I diagnose the issue related to OBDII code B0958 GMC?
Diagnosing code B0958 GMC involves inspecting the left rear corner parking assist sensor, checking the wiring for any damage or loose connections, and using a diagnostic scan tool to read the trouble codes stored in the vehicle's computer.
4. Can I still drive my vehicle with OBDII code B0958 GMC?
While it is technically possible to drive with code B0958 GMC, it is not recommended as the rear parking assist system may not function properly, increasing the risk of accidents while parking.
5. How can I repair OBDII code B0958 GMC?
Repairing code B0958 GMC involves replacing the faulty left corner rear parking assist sensor, repairing any damaged wiring, or replacing the control module if necessary. It is recommended to seek professional help for accurate diagnosis and repair.
6. Can I reset OBDII code B0958 GMC on my own?
Resetting code B0958 GMC can be done with an OBDII scanner by clearing the trouble codes stored in the vehicle's computer. However, it is important to address the underlying issue causing the code to prevent it from reoccurring.
7. Are there any DIY tips for troubleshooting OBDII code B0958 GMC?
Some DIY tips for troubleshooting code B0958 GMC include visually inspecting the rear parking assist sensors, checking the wiring for any visible damage, and ensuring the sensors are clean and free of obstructions.
8. Is OBDII code B0958 GMC a serious issue?
While code B0958 GMC may not directly affect the drivability of the vehicle, it is still considered a serious issue as it impacts the safety features of the rear parking assist system, which is designed to prevent accidents while parking.
9. How much does it cost to repair OBDII code B0958 GMC?
The cost to repair code B0958 GMC can vary depending on the extent of the damage, the parts required for replacement, and labor charges. It is advisable to obtain quotes from different auto repair shops for an accurate estimate.
10. Can extreme weather conditions affect OBDII code B0958 GMC?
Extreme weather conditions such as heavy rain, snow, or extreme temperatures can potentially damage the rear parking assist sensors or wiring, leading to the triggering of code B0958 GMC. Regular maintenance and inspections can help prevent weather-related issues.
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