C1609 Infiniti Code - Vehicle Speed Signal
Quick Answer
The Vehicle Speed Signal is transmitted from brake ECU to Electric Power Steering (EPS) Control Unit via CAN communication. Common causes include Faulty Wheel Speed Sensor, Wheel Speed Sensor harness is open or shorted, Wheel Speed Sensor 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
- C1609 Infiniti indicates Vehicle Speed Signal.
- Common causes
- Common causes include Faulty Wheel Speed Sensor, Wheel Speed Sensor harness is open or shorted, Wheel Speed Sensor 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 C1609 Infiniti Description
What are the Possible Causes of the DTC C1609 Infiniti?
- Faulty Wheel Speed Sensor
- Wheel Speed Sensor harness is open or shorted
- Wheel Speed Sensor circuit poor electrical connection
- Faulty Electric Power Steering Control Unit
How to Fix the DTC C1609 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 C1609 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 C1609 Infiniti Code
1. What does OBDII code C1609 mean on an Infiniti?
C1609 indicates a "Vehicle Speed Signal" issue, where the system detects a problem with the speed signal input to the vehicle's control modules.
2. What are the common symptoms of code C1609 on an Infiniti?
Symptoms may include erratic speedometer operation, issues with cruise control functionality, ABS or traction control warnings, or poor vehicle performance.
3. What causes the C1609 code to appear on an Infiniti?
Common causes include a faulty speed sensor, damaged wiring or connectors, issues with the ABS module, or incorrect speed signal calibration.
4. How do I diagnose the C1609 code on my Infiniti?
Start by inspecting the speed sensor, wiring, and connectors for damage or corrosion. Use a scan tool to monitor the speed sensor data and check for consistency with the vehicle's movement.
5. Can a bad wheel speed sensor trigger the C1609 code?
Yes, a malfunctioning wheel speed sensor may cause the vehicle speed signal to be misinterpreted, leading to the C1609 code.
6. Is it safe to drive with the C1609 code on an Infiniti?
While the vehicle may still be drivable, safety features like ABS or traction control may not function properly, so it is recommended to address the issue promptly.
7. How can I fix the C1609 code on my Infiniti?
Repairs may include replacing a faulty speed sensor, repairing damaged wiring, cleaning corroded connectors, or recalibrating the speed signal using a scan tool.
8. Can software issues cause the C1609 code on an Infiniti?
Yes, outdated or corrupted software in the control module can sometimes cause this code. A software update or reprogramming may be necessary.
9. How much does it cost to repair the C1609 code on an Infiniti?
The repair cost can vary, but replacing a speed sensor typically costs $100-$300, including parts and labor. Wiring repairs or ABS module replacements may cost more.
10. Can a low battery cause the C1609 code on an Infiniti?
Yes, a low or weak battery can disrupt the vehicle’s electronic systems, potentially causing intermittent speed signal issues and triggering the C1609 code.
Discuss the causes and fixes for C1609 Infiniti OBDII Code
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