Engine-CodesGeneric – C1951

C1951 Code - Rear Stabilizer Target Angle Not Attained

Quick Answer

The diagnostic trouble code C1951 indicates that the rear stabilizer target angle has not been attained in the vehicle. Common causes include Malfunctioning rear stabilizer sensor, Faulty stabilizer actuator, Damaged wiring or connectors. 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 indicates Rear Stabilizer Target Angle Not Attained.
Common causes
Common causes include Malfunctioning rear stabilizer sensor, Faulty stabilizer actuator, Damaged wiring or connectors.
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.
Table of contents Created and updated by William Orellana on Sep 10, 2024
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Code C1951 Description

The diagnostic trouble code C1951 indicates that the rear stabilizer target angle has not been attained in the vehicle. The rear stabilizer, also known as the rear anti-roll bar or sway bar, is a crucial component of the vehicle's suspension system. Its primary function is to reduce body roll during cornering and improve stability when driving on uneven surfaces. The target angle refers to the specific angle at which the rear stabilizer should be positioned based on the vehicle's operating conditions.

OBDII Code C1951 - Rear Stabilizer Target Angle Not Attained
C1951 Code - Rear Stabilizer Target Angle Not Attained

Common Causes of C1951

  1. Malfunctioning rear stabilizer sensor
  2. Faulty stabilizer actuator
  3. Damaged wiring or connectors
  4. Mechanical issues with the rear stabilizer
  5. Corrosion or rust affecting the stabilizer components

Symptoms of C1951

  1. Increased body roll during cornering
  2. Unstable or shaky handling
  3. Uneven tire wear
  4. Clunking or rattling noises from the rear suspension
  5. Dashboard warning light related to the suspension system

How to Fix C1951

  1. Begin by performing a thorough visual inspection of the rear stabilizer system, checking for any visible damage, corrosion, or loose components.
  2. Use a diagnostic scan tool to retrieve the specific trouble code and further diagnose the issue with the rear stabilizer system.
  3. Test the rear stabilizer sensor and actuator to determine if they are functioning correctly. Replace any faulty components as needed.
  4. Inspect the wiring and connectors for any signs of damage or corrosion. Repair or replace any damaged wiring to ensure proper electrical connectivity.
  5. If mechanical issues are identified with the rear stabilizer itself, such as worn bushings or bent components, consider replacing the stabilizer bar or relevant parts to restore proper functionality.

Cost to Fix C1951

The typical repair costs for addressing the rear stabilizer target angle not attained code (C1951) can vary depending on the specific cause of the issue and the extent of repairs needed. On average, parts for this repair may range from $100 to $300, while labor costs can range from $150 to $400. Overall, the total repair cost could fall between $250 and $700, but it's important to note that these estimates are general and can vary based on factors such as location, vehicle make and model, and the shop's labor rates. Additionally, diagnostic time and labor rates at auto repair shops may fluctuate, so it's recommended to obtain a detailed quote from a professional technician before proceeding with the repairs.

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Code C1951 Information for Specific Makes

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 Code

1. What are the common symptoms of OBDII code C1951 (Rear Stabilizer Target Angle Not Attained)?

- Common symptoms include a stability control warning light on the dashboard, poor handling or steering response, and potential issues with the vehicle's stability control system.

2. What can cause the OBDII code C1951 to trigger?

- The code C1951 may be triggered by problems with the rear stabilizer system, such as damaged components, faulty sensors, or improper alignment.

3. How serious is the OBDII code C1951 (Rear Stabilizer Target Angle Not Attained)?

- While the code itself may not directly affect the drivability of the vehicle, it indicates potential issues with the stability control system, which can impact the vehicle's handling and safety.

4. How can I diagnose the OBDII code C1951?

- Diagnosing the OBDII code C1951 typically involves using a scan tool to retrieve the code, inspecting the rear stabilizer components for damage or wear, and testing the sensors and related systems.

5. What are some repair tips for fixing OBDII code C1951?

- Repair tips for resolving the code C1951 may include replacing damaged stabilizer components, recalibrating the sensors, checking and adjusting the alignment, and ensuring proper installation of all related parts.

6. Can I drive my vehicle with the OBDII code C1951 active?

- It is recommended to address the underlying issue causing the code C1951 before driving the vehicle extensively, as unresolved problems with the stability control system can affect the vehicle's handling and safety.

7. How much does it typically cost to repair OBDII code C1951?

- The cost of repairing the OBDII code C1951 can vary depending on the extent of the issue, the parts needed for replacement, and the labor rates of the repair shop. It is advisable to get a professional assessment for an accurate estimate.

8. Are there any DIY fixes for OBDII code C1951?

- DIY fixes for the OBDII code C1951 may include visual inspections of the stabilizer components, checking for loose connections, and ensuring proper alignment. However, more complex repairs may require professional intervention.

9. Can weather conditions affect the triggering of OBDII code C1951?

- Extreme weather conditions, such as severe temperature changes or rough road surfaces, can potentially impact the stability control system and contribute to triggering the OBDII code C1951.

10. How long does it typically take to repair OBDII code C1951?

- The repair time for the OBDII code C1951 can vary based on the specific issue causing the code, the availability of parts, and the expertise of the technician. Simple repairs may be completed in a few hours, while more complex issues may take longer.

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