C1604 Infiniti Code - Electric Power Steering Torque Sensor
Quick Answer
The C1604 code for Infiniti vehicles specifically refers to an issue with the Electric Power Steering Torque Sensor. Common causes include Faulty electric power steering torque sensor, Wiring or connection issues related to the torque sensor, Power steering control module malfunction. 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
- C1604 Infiniti indicates Electric Power Steering Torque Sensor.
- Common causes
- Common causes include Faulty electric power steering torque sensor, Wiring or connection issues related to the torque sensor, Power steering control module malfunction.
- 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.
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Code C1604 Infiniti Description
The C1604 code for Infiniti vehicles specifically refers to an issue with the Electric Power Steering Torque Sensor. This sensor is responsible for measuring the amount of torque applied to the steering wheel by the driver and transmitting this information to the vehicle's power steering system. When this sensor malfunctions, it can lead to inaccurate steering input data being sent to the power steering system, resulting in potential steering issues for the driver.
Common Causes of C1604 Infiniti
- Faulty electric power steering torque sensor
- Wiring or connection issues related to the torque sensor
- Power steering control module malfunction
- Low voltage or power supply issues to the sensor
- General wear and tear on the sensor components
Symptoms of C1604 Infiniti
- Stiff or heavy steering, especially at lower speeds
- Steering wheel feels loose or unresponsive
- Steering wheel vibration or shimmy
- Traction control or stability control warning lights illuminated on the dashboard
- Difficulty in maintaining control of the vehicle, especially in slippery conditions
How to Fix C1604 Infiniti
- Diagnose the specific cause of the C1604 code by using a professional diagnostic scanner to pinpoint the issue with the electric power steering torque sensor.
- Inspect the wiring and connections related to the torque sensor for any signs of damage or corrosion. Repair or replace as necessary.
- Test the power supply to the sensor to ensure it is functioning correctly. Replace any faulty components.
- If the torque sensor itself is faulty, replace it with a new sensor.
- Clear the diagnostic trouble codes from the vehicle's system and perform a test drive to ensure the issue has been resolved.
Cost to Fix C1604 Infiniti
The cost of repairing the Electric Power Steering Torque Sensor can vary depending on the specific cause of the issue and the cost of parts and labor. On average, the repair cost for this type of issue could range from $200 to $500, including parts and labor. However, it's important to note that labor rates at auto repair shops can vary, so it's advisable to check with local shops for a more accurate estimate.
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Frequently Asked Questions about C1604 Infiniti Code
1. What does the OBDII code C1604 mean on an Infiniti?
C1604 indicates an issue with the Electric Power Steering (EPS) Torque Sensor, which monitors the steering torque applied by the driver to assist steering electronically.
2. What are the common symptoms of code C1604 in an Infiniti?
Symptoms include a stiff or heavy steering wheel, the EPS warning light illuminating, and reduced or no power steering assist.
3. What causes the C1604 code in Infiniti vehicles?
Common causes include a faulty torque sensor, wiring issues such as damaged or corroded connectors, or a malfunction in the EPS control module.
4. Can I still drive my Infiniti with the C1604 code?
Driving is possible, but the steering may be much harder, especially at low speeds. It’s safer to address the issue promptly to avoid potential accidents.
5. How do you diagnose the C1604 code on an Infiniti?
A technician will use a scan tool to confirm the code, check the torque sensor’s signal, inspect wiring and connections, and perform tests on the EPS system components.
6. How is the C1604 code fixed on an Infiniti?
Repairs may include replacing the faulty torque sensor, repairing or replacing damaged wiring or connectors, or reprogramming or replacing the EPS control module.
7. Is the C1604 code specific to certain Infiniti models?
The C1604 code can appear on various Infiniti models equipped with electric power steering systems, but the exact repair process may vary by model.
8. How much does it cost to repair the C1604 code?
Repair costs depend on the root cause. Replacing a torque sensor may cost $300–$800, while wiring repairs or EPS module replacement could vary widely.
9. Can a C1604 code be caused by a weak battery?
Yes, a weak or failing battery can cause voltage fluctuations that may trigger the C1604 code and affect the EPS system.
10. Does the C1604 code require reprogramming after repairs?
In some cases, reprogramming or calibrating the EPS system may be necessary after replacing the torque sensor or EPS control module.
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