AutoCodes – Toyota – C1908 Toyota

C1908 Toyota Code - Open In Rear Metal Board Temperature Sensor Circuit

Quick Answer

The Rear Active Stabilizer Control ECU consists of a metal board, control board, power source IC, step-up circuit, Electrically Erasable Programmable Read-Only Memory (EEPROM), and other parts. Common causes include Faulty Rear Active Stabilizer Control ECU, Rear Active Stabilizer Control ECU harness is open or shorted, Rear Active Stabilizer Control ECU 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
C1908 Toyota indicates Open In Rear Metal Board Temperature Sensor Circuit.
Common causes
Common causes include Faulty Rear Active Stabilizer Control ECU, Rear Active Stabilizer Control ECU harness is open or shorted, Rear Active Stabilizer Control ECU 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.
AI answers can be wrong. Verify repairs with testing. Open full chat
Code Popularity 958
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Dec 03, 2020
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Code C1908 Toyota Description

The Rear Active Stabilizer Control ECU consists of a metal board, control board, power source IC, step-up circuit, Electrically Erasable Programmable Read-Only Memory (EEPROM), and other parts. If a problem occurs in the rear active stabilizer control ECU the ECU will set the OBDII code.
OBDII Code C1908 Toyota - Open In Rear Metal Board Temperature Sensor Circuit - AutoCodes.com
C1908 Toyota Code - Open In Rear Metal Board Temperature Sensor Circuit

What are the Possible Causes of the DTC C1908 Toyota?

  • Faulty Rear Active Stabilizer Control ECU
  • Rear Active Stabilizer Control ECU harness is open or shorted
  • Rear Active Stabilizer Control ECU circuit poor electrical connection

How to Fix the DTC C1908 Toyota?

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 C1908 Toyota 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.

Need more information about the C1908 Toyota code?

Need more information on how to fix the C1908 Toyota code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the C1908 Toyota code diagnosed by a professional: Find a repair shop in your area

About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about C1908 Toyota Code

1. What are the common symptoms of OBDII code C1908 in a Toyota related to the Open In Rear Metal Board Temperature Sensor Circuit?

The common symptoms include inaccurate temperature readings on the dashboard, the temperature gauge not working properly, or the vehicle's engine overheating.

2. What are the possible causes of OBDII code C1908 in a Toyota?

Possible causes of this code include a faulty rear metal board temperature sensor, damaged wiring or connectors in the sensor circuit, or a malfunction in the sensor control unit.

3. How can I diagnose the Open In Rear Metal Board Temperature Sensor Circuit issue in my Toyota?

You can diagnose this issue by using a diagnostic scanner to retrieve the trouble codes, visually inspecting the sensor and its connections for any damage, and testing the sensor's resistance with a multimeter.

4. Can I drive my Toyota with OBDII code C1908 present?

Continuing to drive with this code may lead to inaccurate temperature readings and potential engine overheating. It is recommended to address the issue promptly to prevent further damage.

5. How can I repair the Open In Rear Metal Board Temperature Sensor Circuit problem in my Toyota?

To repair this issue, you may need to replace the faulty rear metal board temperature sensor, repair any damaged wiring or connectors in the circuit, or reprogram the sensor control unit if necessary.

6. Is it possible to reset OBDII code C1908 in a Toyota without fixing the underlying issue?

Resetting the code without addressing the root cause will only temporarily clear the error code. The issue will likely reappear until the actual problem is resolved.

7. How much does it typically cost to repair the Open In Rear Metal Board Temperature Sensor Circuit problem in a Toyota?

The cost of repair can vary depending on the extent of the damage and the specific components that need replacement. It is advisable to consult a professional mechanic for an accurate estimate.

8. Are there any preventive measures I can take to avoid encountering OBDII code C1908 in my Toyota?

Regularly inspecting and maintaining the temperature sensor and its wiring, as well as following the manufacturer's recommended service intervals, can help prevent issues related to the Open In Rear Metal Board Temperature Sensor Circuit.

9. Can a DIY enthusiast with basic automotive knowledge fix the OBDII code C1908 in a Toyota?

Depending on the DIY enthusiast's skills and access to tools, repairing this issue may be possible. However, complex electrical diagnostics and sensor replacement may require professional assistance.

10. Will OBDII code C1908 in a Toyota cause the check engine light to illuminate?

Yes, the Open In Rear Metal Board Temperature Sensor Circuit issue will trigger the check engine light to illuminate on the dashboard of your Toyota, indicating a problem that needs attention.

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