U1173 GMC Code - Lost Communications With Power Roof Module
Quick Answer
The U1173 GMC code indicates that there is a communication problem between the vehicle's onboard computer system and the Power Roof Module. Common causes include Faulty wiring or connections, Malfunctioning power roof module, Issues with the vehicle's onboard computer system. 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
- U1173 GMC indicates Lost Communications With Power Roof Module.
- Common causes
- Common causes include Faulty wiring or connections, Malfunctioning power roof module, Issues with the vehicle's onboard computer system.
- 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 U1173 GMC Description
The U1173 GMC code indicates that there is a communication problem between the vehicle's onboard computer system and the Power Roof Module. The Power Roof Module is responsible for controlling the operation of the power roof, including opening and closing it. When communication is lost with this module, it can lead to issues with the proper functioning of the power roof system.
Common Causes of U1173 GMC
- Faulty wiring or connections.
- Malfunctioning power roof module.
- Issues with the vehicle's onboard computer system.
- Water damage to the power roof module.
- Electrical interference or signal disruption.
Symptoms of U1173 GMC
- Power roof not responding to commands.
- Power roof getting stuck in a certain position.
- Erratic behavior of the power roof system.
- Power roof not closing properly.
How to Fix U1173 GMC
- Begin by conducting a thorough inspection of the wiring and connections related to the power roof module.
- Check for any signs of water damage or corrosion that may be affecting the module's functionality.
- Use a diagnostic tool to communicate with the power roof module and identify any error codes or communication issues.
- If necessary, replace the power roof module with a new one to restore proper communication and functionality.
- Clear the diagnostic trouble codes from the vehicle's computer system and test the power roof to ensure it is operating correctly.
Cost to Fix U1173 GMC
The typical repair costs for addressing a U1173 GMC code can vary depending on the specific cause of the communication loss. In general, replacing a power roof module can range from $300 to $600, including parts and labor. However, additional costs may apply if wiring repairs or diagnostic services are needed. It's important to consider that labor rates at auto repair shops can vary, with hourly rates typically ranging from $80 to $150. Factors such as location, vehicle make and model, and engine type can also influence the overall repair costs. It is advisable to consult with a professional mechanic to get a more accurate estimate based on the specific circumstances.
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Frequently Asked Questions about U1173 GMC Code
1. What are the common symptoms of OBDII code U1173 GMC (Lost Communications With Power Roof Module)?
- Common symptoms include the power roof not operating, malfunction indicator light (MIL) illumination, and communication errors with the power roof module.
2. What are the possible causes of OBDII code U1173 GMC?
- The code can be caused by issues such as a faulty power roof module, damaged wiring or connectors, a weak battery, or a communication network problem.
3. How can I diagnose the source of the U1173 GMC code?
- To diagnose the code, you may need to check the power roof module for proper operation, inspect wiring for damage, test connectors for corrosion, and use a diagnostic scan tool to analyze communication signals.
4. Can a weak battery trigger code U1173 GMC?
- Yes, a weak or failing battery can disrupt communication between modules in the vehicle, leading to the U1173 code. It is advisable to ensure the battery is in good condition during diagnosis.
5. What are some repair tips for resolving OBDII code U1173 GMC?
- Repair tips include checking and repairing any damaged wiring or connectors, replacing a faulty power roof module, ensuring a stable power supply, and resetting the code after repairs.
6. Is it safe to continue driving with code U1173 GMC present?
- While the vehicle may still be operable with this code, it is recommended to address the issue promptly to prevent further complications and ensure the proper functioning of the power roof system.
7. Can a DIY enthusiast fix OBDII code U1173 GMC at home?
- Depending on their skill level and access to tools, DIY enthusiasts may be able to address simpler causes of the U1173 code, such as checking and repairing wiring or connectors. However, complex issues may require professional assistance.
8. How much does it typically cost to repair OBDII code U1173 GMC?
- The cost of repairing this code can vary widely depending on the underlying cause, parts needed for replacement, and labor rates. It is advisable to obtain quotes from reputable automotive repair shops.
9. Are there any preventive measures to avoid OBDII code U1173 GMC in the future?
- Regular vehicle maintenance, including checking the power roof system, inspecting wiring for wear, and keeping the battery in good condition, can help prevent issues that may trigger the U1173 code.
10. Can a temporary loss of communication trigger code U1173 GMC?
- Yes, a temporary loss of communication between the vehicle's modules, such as due to a loose connection or momentary interference, can trigger the U1173 code. Resetting the code may resolve the issue if it was a one-time occurrence.
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