C1406 2017 Toyota RAV4 Code - Open or Short in Front Speed Sensor Left Circuit
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 harness is open or shorted, Front Speed Sensor Left 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
- C1406 2017 Toyota RAV4 indicates Open or Short in Front Speed Sensor Left Circuit.
- Common causes
- Common causes include Faulty Front Speed Sensor Left, Front Speed Sensor Left harness is open or shorted, Front Speed Sensor Left 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 C1406 2017 Toyota RAV4 Description
What are the Possible Causes of the DTC C1406 2017 Toyota RAV4?
- Faulty Front Speed Sensor Left
- Front Speed Sensor Left harness is open or shorted
- Front Speed Sensor Left circuit poor electrical connection
- Faulty Skid Control ECU (Brake Actuator Assembly)
How to Fix the DTC C1406 2017 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
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the C1406 2017 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 C1406 2017 Toyota RAV4 Code
1. What does the OBDII code C1406 mean in a 2017 Toyota RAV4?
C1406 indicates an open or short circuit in the front left speed sensor circuit, which is part of the ABS (Anti-lock Braking System).
2. What are the common symptoms of code C1406 in a 2017 Toyota RAV4?
Symptoms may include the ABS warning light turning on, loss of ABS functionality, or intermittent braking issues.
3. What causes the C1406 code to appear in my 2017 Toyota RAV4?
Common causes include a damaged or faulty front left wheel speed sensor, corroded or damaged wiring, or a poor connection in the circuit.
4. Can I still drive my 2017 Toyota RAV4 with code C1406?
While the vehicle may still be drivable, the ABS system may not function properly, increasing the risk of skidding during hard braking or in slippery conditions.
5. How do I diagnose the C1406 code on my 2017 Toyota RAV4?
Inspect the front left speed sensor and its wiring for damage, use a multimeter to check for continuity in the circuit, and scan the ABS system for additional codes.
6. How do I fix the C1406 code in my 2017 Toyota RAV4?
Repairs may involve replacing the front left wheel speed sensor, repairing or replacing damaged wiring, or cleaning corroded electrical connectors.
7. How much does it cost to fix code C1406 in a 2017 Toyota RAV4?
The repair cost can vary, but replacing a wheel speed sensor typically costs $100-$300 depending on parts and labor.
8. Can a bad wheel bearing cause the C1406 code in a 2017 Toyota RAV4?
Yes, a worn wheel bearing can cause improper wheel speed sensor readings, which may trigger the C1406 code.
9. Will clearing the C1406 code fix the issue in my 2017 Toyota RAV4?
Clearing the code without addressing the underlying issue will not fix the problem, and the code is likely to reappear.
10. Do I need specialized tools to fix the C1406 code on a 2017 Toyota RAV4?
Basic tools like a multimeter can help diagnose wiring issues, but an OBDII scanner capable of reading ABS codes is essential for proper diagnosis.
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