U1794 Code - Lack of Acknowledgment For Mirrors
Quick Answer
The diagnostic code U1794 indicates a lack of acknowledgment for mirrors in the vehicle. Common causes include Faulty mirror control module, Damaged or corroded wiring connections, Defective mirror motors. 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
- U1794 indicates Lack of Acknowledgment For Mirrors.
- Common causes
- Common causes include Faulty mirror control module, Damaged or corroded wiring connections, Defective mirror motors.
- 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.
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 U1794 Description
The diagnostic code U1794 indicates a lack of acknowledgment for mirrors in the vehicle. This means that there is an issue with the communication or feedback system related to the mirrors, which can impact the overall functionality of the mirrors. The lack of acknowledgment could be due to a malfunction in the mirror control module, wiring issues, or sensor failures.
Common Causes of U1794
- Faulty mirror control module
- Damaged or corroded wiring connections
- Defective mirror motors
- Sensor malfunctions
- Software glitches in the mirror control system
Symptoms of U1794
- Inability to adjust the mirrors electronically
- Erratic movement of the mirrors
- Mirror adjustment controls not responding
- Warning light on the dashboard related to mirrors
- Abnormal noise or vibration when attempting to adjust mirrors
How to Fix U1794
- Diagnose the issue by using a diagnostic tool to retrieve the specific mirror-related fault codes.
- Inspect the mirror control module, wiring connections, and mirror motors for any signs of damage or corrosion.
- Test the sensors and recalibrate the mirror control system if necessary.
- Replace any faulty components such as the mirror control module, wiring, or mirror motors.
- Clear the fault codes and perform a test drive to ensure that the mirrors are functioning properly.
Cost to Fix U1794
The cost of repairing a lack of acknowledgment for mirrors can vary depending on the specific cause of the issue and the extent of the repairs needed. Typically, replacing a faulty mirror control module or repairing wiring connections can range from $150 to $500. If sensor replacements or recalibration is required, the cost may increase to $200 to $800. Labor costs can add an additional $80 to $150 per hour, with the total repair cost estimated to be between $300 and $1000. It is recommended to consult with a professional mechanic to get an accurate quote based on the specific vehicle make and model.
Need more information about the U1794 code?
Need more information on how to fix the U1794 code? Get Access to Factory Service Manuals
Need Help with the Code?
Get the U1794 code diagnosed by a professional: Find a repair shop in your area
Frequently Asked Questions about U1794 Code
No Frequently Asked Questions about U1794 Code found.
Discuss the causes and fixes for U1794 OBDII Code
Code U1794 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.