U0248 Code - Lost Communication With Remote Accessory Module
Quick Answer
The diagnostic trouble code U0248 indicates that the vehicle's onboard computer has lost communication with the remote accessory module. Common causes include Loose or corroded wiring connections, Faulty remote accessory module, Communication bus malfunction. 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
- U0248 indicates Lost Communication With Remote Accessory Module.
- Common causes
- Common causes include Loose or corroded wiring connections, Faulty remote accessory module, Communication bus malfunction.
- 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 U0248 Description
The diagnostic trouble code U0248 indicates that the vehicle's onboard computer has lost communication with the remote accessory module. This module is responsible for controlling various accessories in the vehicle, such as power windows, door locks, or even entertainment systems. When communication is lost with this module, it can lead to malfunctions in these accessories, affecting the overall functionality and convenience of the vehicle.
Common Causes of U0248
- Loose or corroded wiring connections
- Faulty remote accessory module
- Communication bus malfunction
- Software glitches in the vehicle's computer system
Symptoms of U0248
- Inoperable power windows or door locks
- Non-functional entertainment system or infotainment features
- Dashboard warning lights related to communication errors
- Intermittent or complete loss of accessory functionality
How to Fix U0248
- Perform a thorough diagnostic scan to identify the exact cause of the communication loss.
- Inspect and repair any loose or corroded wiring connections.
- Test and potentially replace the remote accessory module if found to be faulty.
- Check and repair any issues with the communication bus.
- Update the vehicle's software to address any glitches causing the communication error.
Cost to Fix U0248
The typical repair costs for addressing a lost communication with a remote accessory module can range from $150 to $500, depending on the specific cause of the issue and the parts required for the repair. Additional costs may apply for diagnostic services and labor charges, which can vary between $80 and $150 per hour at most auto repair shops. It is recommended to consult with a professional technician to obtain an accurate estimate based on the specific circumstances of the vehicle.
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Code U0248 Information for Specific Makes
- U0248 Buick — Lost Communication With Remote Accessory Module
- U0248 Cadillac — Lost Communication With Remote Accessory Module
- U0248 Chevrolet — Lost Communication With Remote Accessory Module
- U0248 GMC — Lost Communication With Remote Accessory Module
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