U0159 GMC Code - Lost Communication With Parking Assist Control Module
Quick Answer
The U0159 diagnostic trouble code (DTC) for GMC vehicles indicates that there has been a loss of communication with the Parking Assist Control Module. Common causes include Wiring issues or loose connections, Faulty Parking Assist Control Module, Malfunctioning sensors. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
- What it means
- U0159 GMC indicates Lost Communication With Parking Assist Control Module.
- Common causes
- Common causes include Wiring issues or loose connections, Faulty Parking Assist Control Module, Malfunctioning sensors.
- Severity
- High - diagnose this code as soon as possible.
- Can I drive?
- Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
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Code U0159 GMC Description
The U0159 diagnostic trouble code (DTC) for GMC vehicles indicates that there has been a loss of communication with the Parking Assist Control Module. The Parking Assist Control Module is a crucial component in modern vehicles that helps drivers with parking by using sensors to detect obstacles around the vehicle. When communication with this module is lost, it can have a significant impact on the vehicle's performance and safety features.
Common Causes of U0159 GMC
- Wiring issues or loose connections
- Faulty Parking Assist Control Module
- Malfunctioning sensors
- Software glitches or communication errors
- Electrical problems in the vehicle's system
Symptoms of U0159 GMC
- Inoperative parking assist system
- Lack of feedback or alerts while parking
- Difficulty in maneuvering in tight spaces
- Malfunctioning backup camera or other driver assistance features
How to Fix U0159 GMC
- Perform a thorough inspection of the wiring and connections related to the Parking Assist Control Module to check for any loose or damaged components.
- Test the sensors and the module itself to determine if they are functioning correctly or if they need to be replaced.
- Check for any software updates or reprogramming that may be required to restore communication between the module and the vehicle's system.
- Clear the DTC and reset the system to see if the issue persists after the repair steps have been completed.
- Conduct a final test drive to confirm that the parking assist system is operating as intended and that the communication with the module has been restored.
Cost to Fix U0159 GMC
The typical repair costs for addressing a U0159 code related to a lost communication with the Parking Assist Control Module can range from $200 to $600, including parts and labor. However, it's important to note that the specific diagnosis time and labor rates at auto repair shops can vary significantly based on factors such as location, vehicle make and model, and engine type. As a general guideline, most auto repair shops charge between $80 and $150 per hour for labor. Rates may be higher in metropolitan areas or at dealerships, while independent shops often offer more competitive prices. To obtain a more accurate estimate, it is recommended to consult with local auto repair shops for quotes tailored to your specific situation.
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Frequently Asked Questions about U0159 GMC Code
1. What does the OBDII code U0159 mean on a GMC?
U0159 indicates that the vehicle has lost communication with the Parking Assist Control Module, which could affect parking assistance features.
2. What are common symptoms of code U0159 in a GMC vehicle?
Symptoms may include parking assist features not working, warning lights on the dashboard, or a "Service Parking Assist" message.
3. What causes the U0159 code to appear on a GMC?
Common causes include faulty wiring or connectors, a malfunctioning Parking Assist Control Module, or a failure in the CAN (Controller Area Network) communication system.
4. Can I still drive my GMC with the U0159 code active?
Yes, you can still drive the vehicle, but parking assist features may not function, making parking more challenging.
5. How can I diagnose the U0159 code in my GMC vehicle?
Start by checking the wiring and connectors around the Parking Assist Control Module for damage or corrosion. Use a scan tool to confirm the module's communication status.
6. What should I inspect first when troubleshooting the U0159 code?
Inspect the Parking Assist Control Module's power supply, ground connections, and the CAN bus wiring for loose connections or damage.
7. How do I fix the U0159 code on my GMC vehicle?
Repairs may include replacing damaged wiring or connectors, reprogramming the module, or replacing the Parking Assist Control Module if it's faulty.
8. Can a dead battery cause the U0159 code on a GMC?
Yes, a low or dead battery can disrupt communication between modules and trigger the U0159 code.
9. Do I need to replace the Parking Assist Control Module for the U0159 code?
Not always. The issue might be with wiring, connectors, or software. Have a professional diagnose the problem before replacing the module.
10. Can clearing the U0159 code solve the issue permanently?
Clearing the code may temporarily remove it, but if the underlying issue isn’t resolved, the code will return.
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