C191E Code - Malfunction In Signal From Steering Control ECU 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 Control ECU, Steering Control ECU harness is open or shorted, Steering 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
- C191E indicates Malfunction In Signal From Steering Control ECU To Rear Active Stabilizer Control ECU.
- Common causes
- Common causes include Faulty Steering Control ECU, Steering Control ECU harness is open or shorted, Steering 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.
Code C191E Description
What are the Possible Causes of the DTC C191E?
- Faulty Steering Control ECU
- Steering Control ECU harness is open or shorted
- Steering Control ECU circuit poor electrical connection
- Faulty Rear Active Stabilizer Control ECU
How to Fix the DTC C191E?
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 C191E 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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Information for Specific Makes
- C191E Lexus — Malfunction In Signal From Steering Control ECU To Rear Active Stabilizer Control ECU
- C191E Toyota — Malfunction In Signal From Steering Control ECU To Rear Active Stabilizer Control ECU
Frequently Asked Questions about C191E Code
1. What are the common symptoms of OBDII code C191E?
- Common symptoms include stability control warning lights on the dashboard, issues with steering response, and potential problems with the rear active stabilizer system.
2. What can cause OBDII code C191E to trigger?
- This code can be triggered by a malfunction in the signal communication between the steering control ECU and the rear active stabilizer control ECU.
3. How serious is OBDII code C191E?
- This code is considered serious as it can affect the stability and control of the vehicle, especially during driving conditions that require precise handling.
4. How can I diagnose the cause of OBDII code C191E?
- Diagnosing the cause of this code typically involves using a diagnostic scanner to read the code, checking the wiring connections between the ECUs, and testing the components for any faults.
5. Can I drive my vehicle with OBDII code C191E?
- It is not recommended to drive the vehicle with this code active, as it can compromise the stability and safety of the vehicle.
6. How can I repair OBDII code C191E?
- Repairing this code may involve repairing or replacing faulty wiring connections, resetting the ECUs, or replacing the steering control ECU or rear active stabilizer control ECU if necessary.
7. Will resetting the trouble codes make OBDII code C191E go away?
- Resetting the trouble codes may temporarily clear the code, but if the underlying issue causing the code is not addressed, it is likely to reappear.
8. Can weather conditions affect the occurrence of OBDII code C191E?
- Extreme weather conditions or moisture can potentially impact the signal communication between the ECUs, leading to the triggering of this code.
9. Is it possible to prevent OBDII code C191E from occurring?
- Regular maintenance checks, ensuring proper wiring connections, and addressing any issues with the stability control system promptly can help prevent this code from occurring.
10. How much does it cost to repair OBDII code C191E?
- The repair cost for OBDII code C191E can vary depending on the underlying issue, the extent of the repair needed, and labor costs. It is recommended to consult with a professional mechanic for an accurate estimate.
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