C1404 Code - Rear Speed Sensor Left Malfunction
Quick Answer
The speed sensor detects the wheel speed and sends the appropriate signals to the Skid Control ECU (Brake Actuator Assembly). Common causes include Faulty Rear Speed Sensor Left (Rear Axle Hub and Bearing Assembly Left), Rear Speed Sensor Left Rotor (Rear Axle Hub and Bearing Assembly Left), Rear Speed Sensor Left harness is open or shorted. 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
- C1404 indicates Rear Speed Sensor Left Malfunction.
- Common causes
- Common causes include Faulty Rear Speed Sensor Left (Rear Axle Hub and Bearing Assembly Left), Rear Speed Sensor Left Rotor (Rear Axle Hub and Bearing Assembly Left), Rear Speed Sensor Left harness is open or shorted.
- 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 C1404 Description
What are the Possible Causes of the DTC C1404?
- Faulty Rear Speed Sensor Left (Rear Axle Hub and Bearing Assembly Left)
- Rear Speed Sensor Left Rotor (Rear Axle Hub and Bearing Assembly Left)
- Rear Speed Sensor Left harness is open or shorted
- Rear Speed Sensor Left circuit poor electrical connection
How to Fix the DTC C1404?
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.
Code Tech Notes
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the C1404 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
- C1404 Chrysler — Transfer Case Range Position Sensor Circuit Low
- C1404 Dodge — Transfer Case Range Position Sensor Circuit Low
- C1404 Jeep — Transfer Case Range Position Sensor Circuit Low
- C1404 Lexus — Rear Speed Sensor Left Malfunction
- C1404 Scion — Rear Speed Sensor Left Malfunction
- C1404 Toyota — Rear Speed Sensor Left Malfunction
Frequently Asked Questions about C1404 Code
1. What are the common symptoms of OBDII code C1404 (Rear Speed Sensor Left Malfunction)?
The common symptoms include erratic speedometer readings, ABS warning light illuminated on the dashboard, and potential issues with the vehicle's stability control system.
2. What can cause the OBDII code C1404 to trigger?
The code C1404 is typically triggered by a malfunction in the rear speed sensor on the left side of the vehicle. This could be due to a faulty sensor, damaged wiring, or a poor connection.
3. How can I diagnose the cause of OBDII code C1404?
Diagnosing the cause of this code often involves inspecting the rear speed sensor's wiring and connections for any damage or corrosion. Testing the sensor's functionality with a multimeter may also be necessary.
4. Can I drive my vehicle with the OBDII code C1404?
While it is possible to drive the vehicle with this code, it is not recommended as it can affect the accuracy of the speedometer readings and the proper operation of the ABS and stability control systems.
5. Is it possible to repair the OBDII code C1404 issue myself?
Depending on your level of automotive expertise, you may be able to repair the issue yourself by replacing the rear speed sensor on the left side of the vehicle. However, it is recommended to consult a professional mechanic for proper diagnosis and repair.
6. Are there any temporary solutions to consider for OBDII code C1404?
Resetting the trouble code using an OBDII scanner may temporarily clear the error code, but it is important to address the root cause of the issue to prevent it from reoccurring.
7. What are the potential risks of ignoring OBDII code C1404?
Ignoring the code C1404 can lead to inaccurate speedometer readings, compromised ABS functionality, and reduced stability control, which can impact the overall safety and performance of the vehicle.
8. How much does it typically cost to repair OBDII code C1404?
The cost of repairing the OBDII code C1404 can vary depending on the extent of the issue and labor rates in your area. It is recommended to obtain quotes from different mechanics for an accurate estimate.
9. Can extreme weather conditions affect the rear speed sensor and trigger OBDII code C1404?
Yes, extreme weather conditions such as extreme cold or heat can potentially affect the rear speed sensor's performance and trigger the OBDII code C1404. It is important to keep the sensor and its connections well-protected.
10. Will fixing the OBDII code C1404 improve the overall drivability of the vehicle?
Yes, addressing the OBDII code C1404 and repairing the rear speed sensor left malfunction can improve the accuracy of speedometer readings, restore proper ABS functionality, and enhance the vehicle's stability control system, ultimately improving overall drivability.
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