AutoCodes – Lexus – C1951 Lexus

C1951 Lexus Code - Rear Stabilizer Target Angle Not Attained

Quick Answer

The Rear Active Stabilizer Control Actuator consists of the rotation angle sensor, relay, motor and other parts. Common causes include Faulty Rear Active Stabilizer Control Actuator, Rear Active Stabilizer Control Actuator harness is open or shorted, Rear Active Stabilizer Control Actuator 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
C1951 Lexus indicates Rear Stabilizer Target Angle Not Attained.
Common causes
Common causes include Faulty Rear Active Stabilizer Control Actuator, Rear Active Stabilizer Control Actuator harness is open or shorted, Rear Active Stabilizer Control Actuator 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 1,321
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Dec 05, 2020
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Code C1951 Lexus Description

The Rear Active Stabilizer Control Actuator consists of the rotation angle sensor, relay, motor and other parts. If a problem related to the rotation angle sensor or actuator drive function of the rear active stabilizer control actuator or rear active stabilizer control ECU occurs.
OBDII Code C1951 Lexus - Rear Stabilizer Target Angle Not Attained - AutoCodes.com
C1951 Lexus Code - Rear Stabilizer Target Angle Not Attained

What are the Possible Causes of the DTC C1951 Lexus?

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

How to Fix the DTC C1951 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 C1951 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.

Need more information about the C1951 Lexus code?

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Need Help with the Code?

Get the C1951 Lexus 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 C1951 Lexus Code

1. What are the common symptoms of OBDII code C1951 in a Lexus related to the rear stabilizer target angle not being attained?

The common symptoms include stability control system warning lights illuminated on the dashboard, erratic handling or steering response, and potential noises coming from the rear of the vehicle.

2. What could cause the OBDII code C1951 in a Lexus indicating that the rear stabilizer target angle is not attained?

Possible causes of this code include faulty rear stabilizer bar components, damaged stabilizer bar links, misaligned or damaged rear suspension components, or issues with the vehicle's steering angle sensor.

3. How can I diagnose the OBDII code C1951 in a Lexus related to the rear stabilizer target angle?

Diagnosing this code typically involves using a diagnostic scanner to retrieve the trouble codes, inspecting the rear stabilizer bar and related components for any visible damage, and conducting a thorough inspection of the rear suspension system.

4. Are there any DIY repair tips for fixing the OBDII code C1951 in a Lexus due to the rear stabilizer target angle issue?

DIY repair tips may include visually inspecting the rear stabilizer bar and links for any signs of damage, ensuring proper alignment of the rear suspension components, and checking the steering angle sensor for any faults.

5. Can driving with the OBDII code C1951 in a Lexus indicating rear stabilizer target angle not attained be dangerous?

Continuing to drive with this code present can potentially impact the vehicle's stability and handling, so it is recommended to address the issue promptly to ensure safe driving conditions.

6. Is it necessary to take my Lexus to a professional mechanic for repairs if the OBDII code C1951 is triggered?

While some DIY checks and repairs may be possible, it is advisable to consult a qualified mechanic or Lexus dealership for a thorough diagnosis and proper repair of the rear stabilizer target angle issue.

7. How much does it typically cost to repair the OBDII code C1951 in a Lexus related to the rear stabilizer target angle?

The cost of repairs can vary depending on the exact cause of the issue, but it may involve replacing damaged stabilizer bar components, suspension parts, or recalibrating the steering angle sensor, which can range from a few hundred to over a thousand dollars.

8. Can resetting the OBDII system clear the C1951 code related to the rear stabilizer target angle in a Lexus?

Resetting the OBDII system may temporarily clear the code, but if the underlying issue causing the code is not addressed, it is likely to reappear once the system detects the problem again.

9. How long can I safely drive my Lexus with the OBDII code C1951 indicating rear stabilizer target angle not attained?

It is recommended to address the issue as soon as possible to prevent any potential safety hazards or further damage to the vehicle. Continuing to drive with this code present may compromise the vehicle's stability and handling.

10. Will fixing the OBDII code C1951 in a Lexus related to the rear stabilizer target angle impact the vehicle's performance?

Addressing and resolving the issue causing the C1951 code can help restore the vehicle's stability, handling, and overall performance, ensuring a safer and more comfortable driving experience.

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