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Engine-Codes – Generic – C1919

C1919 Code - Rear Acceleration Sensor

Quick Answer

The C1919 code specifically relates to an issue with the rear acceleration sensor in the vehicle. Common causes include Faulty rear acceleration sensor, Wiring issues or electrical connection problems, Damage to the stability control system components. 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
C1919 indicates Rear Acceleration Sensor.
Common causes
Common causes include Faulty rear acceleration sensor, Wiring issues or electrical connection problems, Damage to the stability control system components.
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.
What is this?
Table of contents Created and updated by William Orellana on Sep 10, 2024
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Code C1919 Description

The C1919 code specifically relates to an issue with the rear acceleration sensor in the vehicle. This sensor is responsible for detecting and measuring the acceleration of the vehicle in the rear portion. It plays a crucial role in the vehicle's stability control system, as it provides data to help the system make adjustments to keep the vehicle stable and prevent skidding or loss of control.

OBDII Code C1919 - Rear Acceleration Sensor
C1919 Code - Rear Acceleration Sensor

Common Causes of C1919

  1. Faulty rear acceleration sensor
  2. Wiring issues or electrical connection problems
  3. Damage to the stability control system components
  4. Corrosion or water damage affecting the sensor
  5. Impact or physical damage to the rear of the vehicle

Symptoms of C1919

  1. ABS warning light illuminated on the dashboard
  2. Traction control system not functioning properly
  3. Increased skidding or loss of control in slippery conditions
  4. Unusual noises coming from the rear of the vehicle
  5. Vehicle stability system warning message on the instrument cluster

How to Fix C1919

  1. Diagnose the issue by using a professional OBD-II scanner to retrieve the specific fault code (C1919) and inspecting the rear acceleration sensor and related components.
  2. Check the wiring and electrical connections for any signs of damage or corrosion, repairing or replacing as necessary.
  3. Test the rear acceleration sensor to ensure it is functioning correctly and providing accurate data to the stability control system.
  4. Replace the rear acceleration sensor if it is found to be faulty, following manufacturer guidelines and using OEM parts.
  5. Clear the fault code from the vehicle's computer system and test drive the vehicle to confirm the issue has been resolved.

Cost to Fix C1919

The typical repair costs for addressing a C1919 code related to the rear acceleration sensor can range from $200 to $500, including parts and labor. However, it's important to note that actual costs may vary depending on the vehicle make and model, the specific diagnosis time, and labor rates at auto repair shops. Rates can range from $80 to $150 per hour, with higher rates in metropolitan areas or at dealerships and lower rates at independent shops. For a more accurate estimate, it's recommended to consult with local auto repair shops.

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Code C1919 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 C1919 Code

1. What are the common symptoms of OBDII code C1919 related to the Rear Acceleration Sensor?

- Common symptoms include the illumination of the check engine light, stability control system malfunction, and potential issues with the vehicle's traction control.

2. What could cause OBDII code C1919 to trigger in relation to the Rear Acceleration Sensor?

- The code C1919 may be triggered due to a faulty rear acceleration sensor, damaged wiring or connectors, or issues with the sensor's calibration.

3. How can I diagnose the cause of OBDII code C1919 linked to the Rear Acceleration Sensor?

- Diagnosis involves using an OBDII scanner to retrieve the fault code, inspecting the rear acceleration sensor and its connections, and performing a calibration check if necessary.

4. Can a DIY enthusiast repair OBDII code C1919 associated with the Rear Acceleration Sensor?

- While some basic checks like inspecting wiring connections can be done by DIY enthusiasts, recalibration or sensor replacement may require specialized tools and expertise.

5. Are there any safety concerns associated with driving when OBDII code C1919 is present due to the Rear Acceleration Sensor issue?

- It is advisable to address the issue promptly as driving with a malfunctioning rear acceleration sensor can affect the vehicle's stability control system, potentially compromising safety.

6. How much does it typically cost to repair OBDII code C1919 involving the Rear Acceleration Sensor?

- Repair costs for OBDII code C1919 can vary depending on the exact cause of the issue, but it may range from a few hundred to over a thousand dollars including parts and labor.

7. Is it possible to reset OBDII code C1919 related to the Rear Acceleration Sensor without fixing the underlying issue?

- Resetting the code without addressing the root cause will only temporarily turn off the check engine light, but the issue will persist and may lead to further problems down the line.

8. Can extreme weather conditions or rough driving lead to the triggering of OBDII code C1919 associated with the Rear Acceleration Sensor?

- Harsh driving conditions or extreme weather may contribute to sensor damage or wiring issues, potentially leading to the triggering of code C1919 related to the Rear Acceleration Sensor.

9. What steps can be taken to prevent OBDII code C1919 from recurring after repair of the Rear Acceleration Sensor issue?

- Regular maintenance checks, careful driving to avoid harsh impacts, and timely addressing of any stability control system warnings can help prevent the recurrence of code C1919.

10. Is it necessary to visit a dealership or can an independent mechanic address OBDII code C1919 linked to the Rear Acceleration Sensor?

- An independent mechanic with experience in diagnosing and repairing sensor-related issues can typically address OBDII code C1919, potentially offering cost savings compared to dealership services.

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