C1408 Lexus Code - Open Or Short In Rear 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 Rear Speed Sensor Left, Rear Speed Sensor Left harness is open or shorted, Rear 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
- C1408 Lexus indicates Open Or Short In Rear Speed Sensor Left Circuit.
- Common causes
- Common causes include Faulty Rear Speed Sensor Left, Rear Speed Sensor Left harness is open or shorted, Rear 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 C1408 Lexus Description
What are the Possible Causes of the DTC C1408 Lexus?
- Faulty Rear Speed Sensor Left
- Rear Speed Sensor Left harness is open or shorted
- Rear Speed Sensor Left circuit poor electrical connection
- Faulty Skid Control ECU (Brake Actuator Assembly)
How to Fix the DTC C1408 Lexus?
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.
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the C1408 Lexus 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 C1408 Lexus Code
1. What are the common symptoms of OBDII code C1408 in a Lexus related to an open or short in the rear speed sensor left circuit?
The common symptoms include ABS warning light illuminating on the dashboard, traction control system malfunction, and potential loss of stability control.
2. What are the possible causes of OBDII code C1408 in a Lexus?
Possible causes include damaged wiring or connectors in the rear speed sensor left circuit, a faulty rear speed sensor, or issues with the ABS control module.
3. How can I diagnose the source of the open or short in the rear speed sensor left circuit in my Lexus?
You can use a multimeter to test the continuity of the wiring and connectors, inspect the sensor for physical damage, and perform a scan tool diagnostic to pinpoint the issue.
4. Can driving with OBDII code C1408 present cause further damage to my Lexus?
Continuing to drive with this code may lead to compromised ABS and stability control functionality, potentially affecting the vehicle's overall safety and performance.
5. What is the typical repair process for resolving OBDII code C1408 in a Lexus?
The repair process usually involves repairing or replacing damaged wiring or connectors, replacing the faulty rear speed sensor if necessary, and clearing the trouble codes from the ABS control module.
6. Are there any DIY tips for troubleshooting OBDII code C1408 in a Lexus?
While basic inspections and continuity tests can be done by DIY enthusiasts, it's recommended to consult a professional mechanic for a comprehensive diagnosis and repair to ensure proper functionality.
7. How much does it cost to fix OBDII code C1408 in a Lexus at a repair shop?
The cost of fixing this issue can vary depending on the extent of the damage, parts needed for replacement, and labor fees, but it typically ranges from $200 to $500.
8. Will resetting the trouble codes make OBDII code C1408 disappear permanently?
Resetting the trouble codes may temporarily clear the warning lights, but if the underlying issue causing OBDII code C1408 is not addressed, the code is likely to reappear once the system detects the problem again.
9. Can extreme weather conditions affect the rear speed sensor left circuit in a Lexus and trigger OBDII code C1408?
Extreme weather conditions, such as excessive heat or moisture, can potentially damage the wiring or components in the sensor circuit, leading to the triggering of OBDII code C1408.
10. Is it safe to drive my Lexus with OBDII code C1408 if the ABS and traction control functions are affected?
Driving with compromised ABS and traction control functions can pose safety risks, especially in emergency braking or slippery road conditions, so it's advisable to have the issue addressed by a qualified technician promptly.
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