C191A Code - Malfunction In Signal From Steering Sensor To Rear Active Stabilizer Control ECU
Quick Answer
The Active Stabilizer Suspension System uses CAN communication to gather information necessary for control functions. Common causes include Faulty Steering Angle Sensor, Steering Angle Sensor harness is open or shorted, Steering Angle Sensor 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
- C191A indicates Malfunction In Signal From Steering Sensor To Rear Active Stabilizer Control ECU.
- Common causes
- Common causes include Faulty Steering Angle Sensor, Steering Angle Sensor harness is open or shorted, Steering Angle Sensor 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 C191A Description
What are the Possible Causes of the DTC C191A?
- Faulty Steering Angle Sensor
- Steering Angle Sensor harness is open or shorted
- Steering Angle Sensor circuit poor electrical connection
- Faulty Rear Active Stabilizer Control ECU
How to Fix the DTC C191A?
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 C191A 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 C191A code?
Need more information on how to fix the C191A code? Get Access to Factory Service Manuals
Need Help with the Code?
Get the C191A code diagnosed by a professional: Find a repair shop in your area
Information for Specific Makes
- C191A Lexus — Malfunction In Signal From Steering Sensor To Rear Active Stabilizer Control ECU
- C191A Toyota — Malfunction In Signal From Steering Sensor To Rear Active Stabilizer Control ECU
Frequently Asked Questions about C191A Code
1. What are the common symptoms of OBDII code C191A?
The common symptoms of OBDII code C191A include issues with the rear active stabilizer system, such as increased body roll, unstable handling, and potential loss of control while driving.
2. What could cause the OBDII code C191A to trigger?
The OBDII code C191A is triggered when there is a malfunction in the signal from the steering sensor to the rear active stabilizer control ECU. This could be due to a faulty sensor, wiring issues, or a problem with the control ECU itself.
3. How can I diagnose the cause of OBDII code C191A?
Diagnosing the cause of OBDII code C191A typically involves using a professional OBDII scanner to read the code and then conducting a thorough inspection of the steering sensor, wiring connections, and the rear active stabilizer control ECU.
4. What are the repair options for OBDII code C191A?
Repair options for OBDII code C191A may include replacing the faulty steering sensor, repairing any damaged wiring, or replacing the rear active stabilizer control ECU if necessary. It is recommended to consult with a professional mechanic for accurate diagnosis and repair.
5. Can I continue driving my vehicle with OBDII code C191A present?
It is not recommended to continue driving your vehicle with OBDII code C191A present, as it can lead to potential safety hazards due to the compromised rear active stabilizer system. It is best to address the issue promptly to ensure safe driving conditions.
6. How much does it typically cost to repair OBDII code C191A?
The cost to repair OBDII code C191A can vary depending on the specific cause of the issue, the extent of the damage, and the labor rates in your area. It is advisable to obtain quotes from reputable mechanics to determine the exact cost.
7. Are there any preventative measures to avoid OBDII code C191A in the future?
To prevent OBDII code C191A from occurring in the future, it is recommended to regularly inspect and maintain the steering sensor, wiring connections, and the rear active stabilizer control system as part of your vehicle's routine maintenance schedule.
8. Is OBDII code C191A a common issue in certain vehicle makes and models?
OBDII code C191A is more commonly found in vehicles equipped with rear active stabilizer systems, particularly in higher-end or luxury vehicles that utilize advanced suspension technologies. However, it can potentially occur in any vehicle with similar components.
9. Can a DIY enthusiast fix OBDII code C191A at home?
While some DIY enthusiasts may have the skills and tools to diagnose and repair OBDII code C191A at home, it is generally recommended to seek professional help due to the complexity of the system involved and the importance of accurate diagnosis and repair.
10. Will resetting the OBDII system clear the C191A code?
Resetting the OBDII system may temporarily clear the C191A code, but it is likely to reappear if the underlying issue is not addressed. It is crucial to diagnose and repair the root cause of the problem to prevent the code from coming back.
Discuss the causes and fixes for C191A OBDII Code
Code C191A comments
No comments found for this page.
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.
