C1408 Code - Open Or Short In Rear Speed Sensor Left Circuit
Quick Answer
The C1408 diagnostic trouble code (DTC) indicates an open or short circuit in the rear speed sensor left circuit of the vehicle. Common causes include Damaged wiring or connectors in the rear speed sensor left circuit, Faulty rear speed sensor, Corrosion or contamination affecting the sensor. 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 indicates Open Or Short In Rear Speed Sensor Left Circuit.
- Common causes
- Common causes include Damaged wiring or connectors in the rear speed sensor left circuit, Faulty rear speed sensor, Corrosion or contamination affecting the sensor.
- 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 C1408 Description
The C1408 diagnostic trouble code (DTC) indicates an open or short circuit in the rear speed sensor left circuit of the vehicle. The speed sensor is responsible for monitoring the speed of the vehicle's wheels, which is crucial for the proper functioning of the anti-lock braking system (ABS) and traction control system. When there is an issue with the rear speed sensor left circuit, it can lead to inaccurate speed readings, affecting the vehicle's ABS and traction control systems.
Common Causes of C1408
- Damaged wiring or connectors in the rear speed sensor left circuit
- Faulty rear speed sensor
- Corrosion or contamination affecting the sensor
- Issues with the ABS or traction control modules
- Electrical issues such as a blown fuse or relay related to the circuit
Symptoms of C1408
- ABS warning light illuminated on the dashboard
- Traction control system light activated
- Inaccurate speedometer readings
- Braking system feels less responsive
- Vehicle stability issues, especially during braking or acceleration
How to Fix C1408
- Begin by conducting a visual inspection of the rear speed sensor left circuit, checking for any visible damage to the wiring or connectors.
- Use a multimeter to test the continuity of the wiring and connections in the circuit to identify any open or short circuits.
- Test the rear speed sensor using a diagnostic tool to determine if it is functioning correctly.
- If the sensor is faulty, replace it with a new one and ensure proper installation and calibration.
- Clear the DTC from the vehicle's memory using a diagnostic scanner and perform a test drive to verify that the issue has been resolved.
Cost to Fix C1408
The typical repair costs for addressing an open or short in the rear speed sensor left circuit can range from $200 to $500, including parts and labor. However, the specific diagnosis time and labor rates at auto repair shops can vary based on factors such as location, vehicle make and model, and engine type. It is advisable to inquire with local auto repair shops for a more accurate estimate based on the specific circumstances of your vehicle. Keep in mind that rates may vary, with dealerships and metropolitan areas typically charging higher rates, while independent shops may offer more competitive pricing.
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Code C1408 Information for Specific Makes
- C1408 Chrysler — Transfer Case Brake Control Circuit High
- C1408 Dodge — Transfer Case Brake Control Circuit High
- C1408 Jeep — Transfer Case Brake Control Circuit High
- C1408 Lexus — Open Or Short In Rear Speed Sensor Left Circuit
- C1408 Scion — Open Or Short In Rear Speed Sensor Left Circuit
- C1408 Toyota — Open Or Short In Rear Speed Sensor Left Circuit
Frequently Asked Questions about C1408 Code
1. What are the common symptoms of OBDII code C1408?
The common symptoms of OBDII code C1408 include issues with the ABS system, such as erratic speedometer readings, ABS warning light illumination, and potential loss of traction control.
2. What can cause the OBDII code C1408 to trigger?
The OBDII code C1408 is triggered when there is an open or short circuit in the rear speed sensor left circuit. This can be caused by damaged wiring, a faulty speed sensor, or a poor connection.
3. How can I diagnose the OBDII code C1408?
Diagnosing the OBDII code C1408 involves using a diagnostic scanner to read the fault codes stored in the ABS system. Additionally, inspecting the wiring and connections to the rear speed sensor left circuit is necessary to identify any issues.
4. What are some repair tips for fixing OBDII code C1408?
Repairing OBDII code C1408 may involve repairing or replacing damaged wiring, testing and replacing the rear speed sensor, and ensuring all connections are secure. It is also recommended to clear the fault codes after completing the repairs.
5. Can I drive my vehicle with OBDII code C1408?
It is not recommended to drive your vehicle with OBDII code C1408 present, as it indicates a potential issue with the ABS system, which is crucial for maintaining safe braking performance and traction control.
6. How serious is OBDII code C1408?
OBDII code C1408 should be taken seriously as it affects the functionality of the ABS system. Ignoring this code can lead to compromised safety features and potential braking issues.
7. Will OBDII code C1408 cause engine performance problems?
OBDII code C1408 is related to the ABS system and is unlikely to directly cause engine performance problems. However, resolving the issue promptly is important to maintain overall vehicle safety.
8. Can I reset OBDII code C1408 without fixing the underlying issue?
While you can clear the fault code temporarily, it will likely reappear if the underlying issue causing OBDII code C1408 is not resolved. It is recommended to address the root cause of the problem.
9. How much does it typically cost to repair OBDII code C1408?
The cost of repairing OBDII code C1408 can vary depending on the extent of the issue, the labor rates in your area, and the cost of any necessary parts. It is advisable to consult with a mechanic for an accurate estimate.
10. Is it possible to prevent OBDII code C1408 from occurring?
Regular maintenance, such as checking and maintaining the ABS system components, inspecting wiring for damage, and addressing any warning signs promptly, can help prevent OBDII code C1408 from occurring.
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