U12B7 Acura Code - Millimeter Wave Radar Local CAN Malfunction
Quick Answer
The Diagnostic Trouble Code (DTC) sets when a Controller Area Network (CAN) communication malfunction was detected between the Multipurpose Camera Unit Local and the Millimeter Wave Radar. Common causes include Faulty Millimeter Wave Radar, Millimeter Wave Radar harness is open or shorted, Millimeter Wave Radar circuit poor electrical connection. 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
- U12B7 Acura indicates Millimeter Wave Radar Local CAN Malfunction.
- Common causes
- Common causes include Faulty Millimeter Wave Radar, Millimeter Wave Radar harness is open or shorted, Millimeter Wave Radar circuit poor electrical connection.
- 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.
Code U12B7 Acura Description
What are the Possible Causes of the DTC U12B7 Acura?
- Faulty Millimeter Wave Radar
- Millimeter Wave Radar harness is open or shorted
- Millimeter Wave Radar circuit poor electrical connection
- Faulty Multipurpose Camera Unit
How to Fix the DTC U12B7 Acura?
Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the U12B7 Acura code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.
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Frequently Asked Questions about U12B7 Acura Code
1. What are the common symptoms of the U12B7 Acura OBDII code indicating Millimeter Wave Radar Local CAN Malfunction?
- Common symptoms include issues with the adaptive cruise control system, malfunctioning blind spot information system, and sporadic radar sensor errors.
2. What are the potential causes of the U12B7 Acura code related to Millimeter Wave Radar Local CAN Malfunction?
- Possible causes include faulty millimeter wave radar sensor, damaged radar wiring harness, poor electrical connections, or a malfunctioning CAN bus communication system.
3. How can I diagnose the U12B7 Acura code for Millimeter Wave Radar Local CAN Malfunction?
- Diagnosis typically involves using an OBDII scanner to retrieve the specific code, checking the radar sensor and wiring for physical damage, and testing the CAN bus communication for any faults.
4. Is it safe to continue driving with the U12B7 Acura code indicating Millimeter Wave Radar Local CAN Malfunction?
- It is not recommended to drive the vehicle with this code active, as it may lead to safety systems like adaptive cruise control and blind spot monitoring not functioning properly.
5. Can I reset the U12B7 Acura OBDII code for Millimeter Wave Radar Local CAN Malfunction on my own?
- While you can clear the code with an OBDII scanner, it is crucial to address the underlying issue causing the code to prevent it from reoccurring.
6. How can I repair the U12B7 Acura code related to Millimeter Wave Radar Local CAN Malfunction?
- Repair options may include replacing the faulty radar sensor, repairing or replacing damaged wiring, ensuring secure electrical connections, or diagnosing and fixing any CAN bus communication issues.
7. Are there any DIY tips for fixing the U12B7 Acura OBDII code indicating Millimeter Wave Radar Local CAN Malfunction?
- DIY tips may include visually inspecting the radar sensor and wiring for damage, checking and securing electrical connections, and ensuring the radar sensor is free from obstructions.
8. Can extreme weather conditions affect the U12B7 Acura code for Millimeter Wave Radar Local CAN Malfunction?
- Yes, extreme weather conditions like heavy rain, snow, or extreme temperatures can potentially impact the operation of the radar sensor and contribute to the code being triggered.
9. How long does it typically take to repair the U12B7 Acura code associated with Millimeter Wave Radar Local CAN Malfunction?
- The repair time can vary depending on the specific issue causing the code. Simple fixes like securing connections may take less time, while sensor or wiring replacements may require more time.
10. Is it necessary to visit a dealership for the U12B7 Acura OBDII code regarding Millimeter Wave Radar Local CAN Malfunction?
- While a dealership may have specialized knowledge and tools for diagnosing and repairing this code, independent auto repair shops with experience in Acura vehicles can also effectively address the issue.
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