C1402 2016 Toyota RAV4 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 2016 Toyota RAV4 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 2016 Toyota RAV4 Description
What are the Possible Causes of the DTC C1402 2016 Toyota RAV4?
- 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 2016 Toyota RAV4?
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 2016 Toyota RAV4 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 C1402 2016 Toyota RAV4 Code
1. What does the OBDII code C1402 mean on a 2016 Toyota RAV4?
C1402 indicates a malfunction in the front left wheel speed sensor or its circuit, which is part of the ABS (Anti-lock Braking System).
2. What are the symptoms of the C1402 code on a 2016 Toyota RAV4?
Common symptoms include the ABS warning light turning on, loss of ABS functionality, and possibly decreased traction control performance.
3. What causes the C1402 code to appear on a 2016 Toyota RAV4?
The code can be triggered by a damaged or faulty front left wheel speed sensor, corroded or broken wiring, a dirty sensor, or a failed ABS control module.
4. Can I drive my 2016 Toyota RAV4 with the C1402 code active?
While the vehicle may still be drivable, you will lose ABS and traction control capabilities, which can compromise safety, especially in slippery conditions.
5. How can the C1402 code be diagnosed?
A technician will use a scan tool to confirm the code, inspect the front left wheel speed sensor and its wiring, and test the sensor's resistance and signal output.
6. How do I fix the C1402 code on a 2016 Toyota RAV4?
Repairs may involve cleaning or replacing the front left wheel speed sensor, repairing damaged wiring or connectors, or replacing the ABS control module if necessary.
7. How much does it cost to fix the C1402 code on a 2016 Toyota RAV4?
Replacing a wheel speed sensor typically costs $100–$300, including parts and labor. Additional wiring or ABS module repairs may increase the cost.
8. Can a dirty wheel speed sensor cause the C1402 code?
Yes, dirt or debris on the sensor can prevent it from accurately detecting wheel speed, leading to the C1402 code. Cleaning the sensor might resolve the issue.
9. What tools are needed to repair a C1402 code?
Common tools include a scan tool for diagnostics, a multimeter to test electrical circuits, and basic hand tools to remove and replace the sensor if needed.
10. Will clearing the code fix the C1402 problem on a 2016 Toyota RAV4?
Clearing the code will turn off the warning light temporarily, but the issue will recur unless the underlying problem is properly repaired.
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