C1667 Infiniti Code - 4WAS Lock Insertion
Quick Answer
The 4 Wheel Active Steer (4WAS) front lock solenoid valve (lock structure) is controlled by the 4WAS front control unit, and locks/unlocks 4WAS Front Actuator. Common causes include Faulty 4WAS Front Actuator, 4WAS Front Actuator harness is open or shorted, 4WAS Front Actuator 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
- C1667 Infiniti indicates 4WAS Lock Insertion.
- Common causes
- Common causes include Faulty 4WAS Front Actuator, 4WAS Front Actuator harness is open or shorted, 4WAS Front Actuator 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 C1667 Infiniti Description
What are the Possible Causes of the DTC C1667 Infiniti?
- Faulty 4WAS Front Actuator
- 4WAS Front Actuator harness is open or shorted
- 4WAS Front Actuator circuit poor electrical connection
How to Fix the DTC C1667 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 C1667 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 C1667 Infiniti Code
1. What does the OBDII code C1667 mean for an Infiniti vehicle?
C1667 indicates an issue with the 4WAS (4-Wheel Active Steer) system, specifically related to the Lock Insertion mechanism, which may signal a malfunction in the steering or control system.
2. What are common symptoms of the C1667 code in an Infiniti?
Symptoms include a 4WAS warning light on the dashboard, reduced or erratic steering response, or a complete loss of the 4WAS functionality.
3. What causes the C1667 code to appear in an Infiniti?
Potential causes include a malfunction in the 4WAS lock insertion mechanism, wiring or connector issues, a faulty 4WAS actuator, or problems with the 4WAS control module.
4. Can I still drive my Infiniti with the C1667 code active?
While the vehicle may still be drivable, the 4WAS system may not function properly, leading to reduced steering performance or stability, especially at higher speeds.
5. How can I diagnose the C1667 code in my Infiniti?
Start by checking the wiring and connectors for the 4WAS actuator. Use a scan tool to monitor live data and perform system tests to verify the actuator and control module operation.
6. What repairs are needed to fix the C1667 code?
Repairs may include replacing a faulty 4WAS actuator, repairing damaged wiring or connectors, or reprogramming or replacing the 4WAS control module.
7. How much does it cost to repair the C1667 code on an Infiniti?
Repair costs can vary depending on the exact cause but typically range from $200 to $1,000, with actuator replacement being on the higher end.
8. Can a low battery cause the C1667 code on an Infiniti?
A low or weak battery can sometimes trigger 4WAS-related codes, as insufficient power may disrupt the system's operation. Check the battery voltage before diagnosing further.
9. Is the C1667 code specific to Infiniti vehicles?
The C1667 code is specific to Infiniti models equipped with the 4WAS system, as it pertains to the unique 4WAS Lock Insertion mechanism.
10. Can resetting the ECU clear the C1667 code in my Infiniti?
Clearing the code with a scan tool may temporarily remove it, but the issue will likely persist unless the underlying problem is addressed.
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