AutoCodes – Toyota – C1911 Toyota

C1911 Toyota Code - Malfunction In Rear Active Stabilizer Main Relay

Quick Answer

The Rear Active Stabilizer Control ECU and Front Active Stabilizer Control ECU use CAN communication to perform a mutual system check. Common causes include Faulty Active Stabilizer Relay, Faulty Rear Active Stabilizer Control Actuator, Faulty Rear Active Stabilizer Control ECU. 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: C1911 Toyota indicates Malfunction In Rear Active Stabilizer Main Relay.
Common causes: Common causes include Faulty Active Stabilizer Relay, Faulty Rear Active Stabilizer Control Actuator, Faulty Rear Active Stabilizer Control ECU.
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.

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Code Popularity 1,108

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

Table of contents Created and updated by William Orellana on Dec 03, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code C1911 Toyota Description

The Rear Active Stabilizer Control ECU and Front Active Stabilizer Control ECU use CAN communication to perform a mutual system check. If a problem occurs in the Rear Active Stabilizer Control ECU, Rear Active Stabilizer Control Actuator, and PIG power source circuit.

OBDII Code C1911 Toyota - Malfunction In Rear Active Stabilizer Main Relay - AutoCodes.com — C1911 Toyota Code - Malfunction In Rear Active Stabilizer Main Relay

What does this mean?

What are the Possible Causes of the DTC C1911 Toyota?

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

How to Fix the DTC C1911 Toyota?

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 C1911 Toyota 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 C1911 Toyota code?

Need more information on how to fix the C1911 Toyota code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the C1911 Toyota 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 C1911 Toyota Code

1. What are the common symptoms of OBDII code C1911 in a Toyota related to the malfunction in the rear active stabilizer main relay?

- Common symptoms include issues with the rear active stabilizer system functionality, such as instability in vehicle handling or abnormal noises from the rear of the vehicle.

2. What typically causes the OBDII code C1911 in a Toyota related to the malfunction in the rear active stabilizer main relay?

- The code C1911 is usually triggered by a malfunction in the rear active stabilizer main relay, which may be due to electrical faults, wiring problems, or a defective relay itself.

3. How can I diagnose the OBDII code C1911 in my Toyota that points to a malfunction in the rear active stabilizer main relay?

- Diagnosis involves using an OBDII scanner to retrieve the specific code, inspecting the rear active stabilizer system components, checking the relay and its wiring for faults, and conducting relevant tests as per the manufacturer's guidelines.

4. Are there any safety concerns associated with the OBDII code C1911 related to the malfunction in the rear active stabilizer main relay in a Toyota?

- Yes, unresolved issues with the rear active stabilizer system can affect vehicle stability and handling, potentially leading to unsafe driving conditions. It is advisable to address this issue promptly.

5. Can I continue driving my Toyota with the OBDII code C1911 indicating a malfunction in the rear active stabilizer main relay?

- It is not recommended to drive the vehicle with unresolved issues related to the rear active stabilizer system, as it can impact driving safety and potentially cause further damage. Seek professional assistance to diagnose and repair the problem.

6. How can I repair the OBDII code C1911 in my Toyota related to the malfunction in the rear active stabilizer main relay?

- Repairing this code typically involves identifying and addressing the root cause of the malfunction, which may include repairing or replacing the rear active stabilizer main relay, fixing wiring issues, or addressing any underlying electrical problems.

7. Is it possible to reset the OBDII code C1911 related to the malfunction in the rear active stabilizer main relay in a Toyota without fixing the issue?

- While you can clear the code using an OBDII scanner, it is not advisable to reset the code without addressing the underlying problem. The issue may persist and potentially lead to safety concerns or further damage if left unresolved.

8. Can a DIY enthusiast with automotive knowledge repair the OBDII code C1911 in a Toyota related to the malfunction in the rear active stabilizer main relay?

- Depending on the individual's skill level and access to tools, a DIY enthusiast may be able to diagnose and repair this issue. However, due to the complexity of the rear active stabilizer system, professional assistance is recommended for an accurate and safe repair.

9. Are there any recalls or technical service bulletins related to the OBDII code C1911 in a Toyota indicating a malfunction in the rear active stabilizer main relay?

- It is advisable to check with Toyota dealerships or visit the manufacturer's official website to inquire about any recalls or technical service bulletins related to the OBDII code C1911 and the rear active stabilizer main relay issue for specific models.

10. How much can I expect to pay for repairing the OBDII code C1911 in my Toyota related to the malfunction in the rear active stabilizer main relay?

- Repair costs can vary depending on the extent of the issue, parts needed, labor rates, and other factors. It is recommended to obtain quotes from reputable repair shops or dealerships to determine the expected cost for addressing this problem.