C1402 Toyota Code - Front 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 Front Speed Sensor Left, Front Speed Sensor Left Rotor (Front Axle Hub Sub-Assembly Left), Front 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
- C1402 Toyota indicates Front Speed Sensor Left Malfunction.
- Common causes
- Common causes include Faulty Front Speed Sensor Left, Front Speed Sensor Left Rotor (Front Axle Hub Sub-Assembly Left), Front 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 C1402 Toyota Description
What are the Possible Causes of the DTC C1402 Toyota?
- Faulty Front Speed Sensor Left
- Front Speed Sensor Left Rotor (Front Axle Hub Sub-Assembly Left)
- Front Speed Sensor Left harness is open or shorted
- Front Speed Sensor Left circuit poor electrical connection
How to Fix the DTC C1402 Toyota?
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
If there is iron powder sticking to the rotor, this will result in a malfunction, so confirm that the rotor is not contaminated with foreign material before replacing the sensor.
Check the speed sensor signal after cleaning or replacement.
On most vehicles, the Front Speed Sensor Rotor is incorporated into the Front Axle Hub Sub-Assembly. If the Speed Sensor Rotor needs to be replaced, replace it together with the Front Axle Hub Sub-Assembly.
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the C1402 Toyota 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 Toyota Models
- C1402 2013 Toyota RAV4 — Front Speed Sensor Left Malfunction
- C1402 2014 Toyota RAV4 — Front Speed Sensor Left Malfunction
- C1402 2015 Toyota RAV4 — Front Speed Sensor Left Malfunction
- C1402 2016 Toyota RAV4 — Front Speed Sensor Left Malfunction
- C1402 2017 Toyota RAV4 — Front Speed Sensor Left Malfunction
- C1402 2018 Toyota RAV4 — Front Speed Sensor Left Malfunction
Frequently Asked Questions about C1402 Toyota Code
1. What are the common symptoms of OBDII code C1402 in a Toyota related to the Front Speed Sensor Left Malfunction?
- The common symptoms include issues with the vehicle's traction control system, ABS system, and potential illumination of the warning lights on the dashboard.
2. What are the possible causes of the Front Speed Sensor Left Malfunction (C1402) in a Toyota?
- Possible causes include a faulty front left speed sensor, damaged wiring or connectors, sensor alignment issues, or sensor signal interference.
3. How can I diagnose the Front Speed Sensor Left Malfunction (C1402) in my Toyota?
- Diagnosis involves inspecting the front left speed sensor for physical damage, checking the wiring and connectors for any issues, and using a scan tool to read the trouble codes.
4. Can I still drive my Toyota with the C1402 code indicating Front Speed Sensor Left Malfunction?
- It is not recommended to drive the vehicle with this code present as it may impact the performance of the ABS and traction control systems, compromising safety.
5. How can I repair the Front Speed Sensor Left Malfunction (C1402) in my Toyota?
- Repair methods may include replacing the front left speed sensor, repairing any damaged wiring or connectors, ensuring proper sensor alignment, and clearing the trouble codes.
6. Are there any DIY tips for troubleshooting the C1402 code in a Toyota?
- DIY tips include visually inspecting the sensor and wiring, checking for loose connections, ensuring sensor alignment, and using a scan tool to reset the trouble codes.
7. How much does it cost to fix the Front Speed Sensor Left Malfunction (C1402) in a Toyota?
- The cost can vary depending on the specific issue, but it may involve the price of a new sensor, labor costs for installation, and any additional repairs needed for wiring or connectors.
8. Is it necessary to reset the trouble codes after repairing the Front Speed Sensor Left Malfunction in a Toyota?
- Yes, it is important to reset the trouble codes using a scan tool after repairing the issue to clear the warning lights on the dashboard and ensure proper functionality of the ABS system.
9. Can extreme weather conditions affect the Front Speed Sensor Left Malfunction (C1402) in a Toyota?
- Yes, extreme weather conditions such as snow, ice, or heavy rain can potentially cause sensor malfunctions or signal interference, triggering the C1402 trouble code.
10. How often does the Front Speed Sensor Left Malfunction (C1402) occur in Toyota vehicles?
- The occurrence of this code can vary, but it is a relatively common issue in Toyota vehicles, especially in older models or those exposed to harsh driving conditions.
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