U1297 Code - Left Side BSI Radar Unit Lost Communication With Right Side BSI Radar Unit
Quick Answer
The Diagnostic Trouble Code (DTC) sets when a communication malfunction was detected between the Left Side BSI Radar Unit and the Right Side BSI Radar Unit. Common causes include Faulty Left Side BSI Radar Unit, Left Side BSI Radar Unit harness is open or shorted, Left Side BSI Radar Unit 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
- U1297 indicates Left Side BSI Radar Unit Lost Communication With Right Side BSI Radar Unit.
- Common causes
- Common causes include Faulty Left Side BSI Radar Unit, Left Side BSI Radar Unit harness is open or shorted, Left Side BSI Radar Unit 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 U1297 Description
What are the Possible Causes of the DTC U1297?
- Faulty Left Side BSI Radar Unit
- Left Side BSI Radar Unit harness is open or shorted
- Left Side BSI Radar Unit circuit poor electrical connection
- Faulty Right Side BSI Radar Unit
How to Fix the DTC U1297?
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 U1297 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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Information for Specific Makes
- U1297 Acura — Left Side BSI Radar Unit Lost Communication With Right Side BSI Radar Unit
- U1297 Honda — Left Side BSI Radar Unit Lost Communication With Right Side BSI Radar Unit
Frequently Asked Questions about U1297 Code
1. What does OBDII code U1297 mean?
Code U1297 indicates that the left side BSI (Blind Spot Information) radar unit has lost communication with the right side BSI radar unit.
2. What are the common symptoms of code U1297?
Symptoms may include the blind spot monitoring system not working, warning lights on the dashboard, or intermittent functionality of the system.
3. What causes code U1297 to appear?
Common causes include faulty wiring or connectors between the radar units, a malfunctioning radar sensor, or a software issue in the vehicle's control module.
4. Can driving with code U1297 cause safety issues?
Yes, since the blind spot monitoring system may not function correctly, it could increase the risk of accidents during lane changes.
5. How can I diagnose code U1297?
Start by inspecting the wiring and connectors for damage or corrosion, then use a diagnostic tool to check for any related fault codes in the radar units.
6. Can a software update fix code U1297?
In some cases, a software update for the vehicle's electronic control module may resolve communication issues between the radar units.
7. Do I need to replace the radar sensor to fix code U1297?
Not always. You should rule out wiring, connectors, and software issues before considering sensor replacement.
8. How much does it cost to repair code U1297?
Repair costs can vary depending on the issue. Wiring repairs may cost $100-$300, while replacing a radar unit could cost $500 or more per sensor.
9. Can extreme weather cause code U1297?
Yes, extreme temperatures, moisture, or ice buildup on the radar sensors may temporarily disrupt communication between the units.
10. Is it safe to clear code U1297 without fixing the issue?
Clearing the code without diagnosing and repairing the problem is not recommended, as the blind spot monitoring system may remain inoperative.
Discuss the causes and fixes for U1297 OBDII Code
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