C1930 Infiniti Code - 4-Wheel Active Steer Front Control Unit
Quick Answer
It transmits the value calculated by 4-Wheel Active Steer (4WAS) main control unit to 4WAS front control unit via 4WAS communication line (line for 4WAS system only). Common causes include Faulty 4-Wheel Active Steer Front Control Unit, 4-Wheel Active Steer Front Control Unit harness is open or shorted, 4-Wheel Active Steer Front Control 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
- C1930 Infiniti indicates 4-Wheel Active Steer Front Control Unit.
- Common causes
- Common causes include Faulty 4-Wheel Active Steer Front Control Unit, 4-Wheel Active Steer Front Control Unit harness is open or shorted, 4-Wheel Active Steer Front Control 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 C1930 Infiniti Description
What are the Possible Causes of the DTC C1930 Infiniti?
- Faulty 4-Wheel Active Steer Front Control Unit
- 4-Wheel Active Steer Front Control Unit harness is open or shorted
- 4-Wheel Active Steer Front Control Unit circuit poor electrical connection
How to Fix the DTC C1930 Infiniti?
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 C1930 Infiniti 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 C1930 Infiniti Code
1. What does OBDII code C1930 mean for an Infiniti?
C1930 indicates a fault in the 4-Wheel Active Steer (4WAS) Front Control Unit, which is responsible for controlling the front steering angle in conjunction with the rear wheels for enhanced handling.
2. What are the common symptoms of code C1930 in an Infiniti?
Symptoms may include the 4-Wheel Active Steer warning light illuminating, reduced steering responsiveness, or inconsistent handling during cornering.
3. What causes the C1930 code to appear in an Infiniti?
Common causes include a malfunctioning 4WAS Front Control Unit, damaged wiring or connectors, or communication issues between the control unit and other system components.
4. Can I still drive my Infiniti with the C1930 code?
While the vehicle can still be driven, handling performance may be compromised, especially during sharp turns or at higher speeds. It’s best to address the issue promptly.
5. How is the C1930 code diagnosed in an Infiniti?
A mechanic will use a scan tool to retrieve the code, inspect the 4WAS system wiring and connectors, and test the functionality of the front control unit to identify the fault.
6. How do you fix the C1930 code in an Infiniti?
Repairs may include replacing the 4WAS Front Control Unit, repairing or replacing damaged wiring, or reprogramming the control unit if a software issue is detected.
7. What tools are needed to troubleshoot the C1930 code?
A professional-grade OBDII scanner, multimeter for electrical testing, and wiring diagrams for the 4WAS system are typically required for diagnosis.
8. How much does it cost to repair the C1930 code on an Infiniti?
Repair costs vary but may range from $300 to $1,500, depending on whether the issue is a simple wiring repair or replacement of the 4WAS Front Control Unit.
9. Can a low battery cause the C1930 code in an Infiniti?
Yes, a weak or low battery can potentially cause communication errors in the 4WAS system, triggering the C1930 code.
10. Is it possible to reset the C1930 code without repairs?
Clearing the code without addressing the root cause may temporarily turn off the warning light, but the issue is likely to return until the underlying problem is fixed.
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