C1402 2016 Toyota RAV4 Code - Front Speed Sensor Left Malfunction
Quick Answer
The C1402 diagnostic trouble code (DTC) for a 2016 Toyota RAV4 indicates a malfunction in the front left speed sensor. Common causes include Damaged or worn front left speed sensor, Corrosion or debris affecting sensor operation, Faulty wiring or electrical connections. 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 Damaged or worn front left speed sensor, Corrosion or debris affecting sensor operation, Faulty wiring or electrical connections.
- 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 C1402 2016 Toyota RAV4 Description
The C1402 diagnostic trouble code (DTC) for a 2016 Toyota RAV4 indicates a malfunction in the front left speed sensor. The speed sensor is a crucial component of the vehicle's anti-lock braking system (ABS) and traction control system. It is responsible for monitoring the speed of the front left wheel and sending this information to the ABS control module. When the sensor detects a discrepancy in wheel speed, it triggers the ABS system to intervene and prevent wheel lock-up during braking.
Common Causes of C1402 2016 Toyota RAV4
- Damaged or worn front left speed sensor
- Corrosion or debris affecting sensor operation
- Faulty wiring or electrical connections
- ABS control module issues
- Wheel bearing or hub assembly problems affecting sensor alignment
Symptoms of C1402 2016 Toyota RAV4
- ABS warning light illuminated on the dashboard
- Traction control system malfunction indicator
- Erratic or pulsating brake pedal during ABS activation
- Increased stopping distances during braking
- Loss of traction or stability control on slippery surfaces
How to Fix C1402 2016 Toyota RAV4
- Diagnose the issue by connecting a scan tool to retrieve the specific DTC and verify the front left speed sensor malfunction.
- Inspect the sensor, wiring, and connections for any visible damage, corrosion, or debris. Clean or replace components as needed.
- Test the sensor's resistance and output voltage to ensure it is within manufacturer specifications.
- If the sensor is faulty, replace it with a new OEM or quality aftermarket sensor.
- Clear the DTC from the ABS control module and perform a road test to verify proper sensor operation and ABS functionality.
Cost to Fix C1402 2016 Toyota RAV4
The typical repair costs for a front speed sensor left malfunction on a 2016 Toyota RAV4 can range from $150 to $300 for parts and labor. However, actual costs may vary depending on the specific diagnosis time, labor rates, and parts pricing at auto repair shops. It is recommended to check with local shops for a more accurate estimate based on your location and vehicle specifics. Keep in mind that rates may be higher at dealerships or in metropolitan areas, while independent shops may offer more competitive pricing.
Tech Notes for C1402 2016 Toyota RAV4
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.
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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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