AutoCodes – Toyota – C1927 Toyota

C1927 Toyota Code - Sub Battery Temperature Sensor

Quick Answer

The Rear Active Stabilizer Control ECU uses the Battery Current Sensor installed on the battery (for active stabilizer) to monitor the temperature and current of the battery (for active stabilizer). Common causes include Faulty Active Stabilizer Battery Current Sensor, Active Stabilizer Battery Current Sensor harness is open or shorted, Active Stabilizer Battery Current Sensor 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: C1927 Toyota indicates Sub Battery Temperature Sensor.
Common causes: Common causes include Faulty Active Stabilizer Battery Current Sensor, Active Stabilizer Battery Current Sensor harness is open or shorted, Active Stabilizer Battery Current Sensor 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.

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Code Popularity 677

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 05, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code C1927 Toyota Description

OBDII Code C1927 Toyota - Sub Battery Temperature Sensor - AutoCodes.com — C1927 Toyota Code - Sub Battery Temperature Sensor

What does this mean?

What are the Possible Causes of the DTC C1927 Toyota?

Faulty Active Stabilizer Battery Current Sensor
Active Stabilizer Battery Current Sensor harness is open or shorted
Active Stabilizer Battery Current Sensor circuit poor electrical connection
Faulty Rear Active Stabilizer Control ECU

How to Fix the DTC C1927 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 C1927 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 C1927 Toyota code?

Need more information on how to fix the C1927 Toyota code? Get Access to Factory Service Manuals

Need Help with the Code?

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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 C1927 Toyota Code

1. What are the common symptoms of OBDII code C1927 Toyota (Sub Battery Temperature Sensor)?

- Common symptoms include inaccurate battery temperature readings, warning lights illuminated on the dashboard, and potential issues with the hybrid battery system.

2. What are the possible causes of OBDII code C1927 Toyota?

- The code C1927 Toyota is typically triggered by a faulty sub battery temperature sensor, damaged wiring or connections, or a malfunctioning hybrid battery system.

3. How can I diagnose the issue related to OBDII code C1927 Toyota?

- Diagnosis involves using a scan tool to retrieve the specific code, checking the sub battery temperature sensor for proper function, and inspecting related wiring and connections for any signs of damage.

4. Is it safe to continue driving with OBDII code C1927 Toyota active?

- It is not recommended to drive with the code active, as it can lead to inaccurate temperature readings and potential issues with the hybrid battery system, impacting the vehicle's performance and safety.

5. Can I reset OBDII code C1927 Toyota on my own?

- While you can clear the code with a scan tool, it is important to address the underlying issue causing the code to prevent it from reoccurring.

6. How can I repair OBDII code C1927 Toyota (Sub Battery Temperature Sensor)?

- Repair typically involves replacing the faulty sub battery temperature sensor, repairing any damaged wiring or connections, and resetting the code to ensure proper functioning of the hybrid battery system.

7. Are there any DIY tips for troubleshooting OBDII code C1927 Toyota?

- DIY tips include visually inspecting the sensor and related components for any visible damage, checking connections for tightness, and ensuring the sensor is securely mounted in place.

8. Will OBDII code C1927 Toyota affect the overall performance of my vehicle?

- Yes, the code can impact the performance of the hybrid system, potentially leading to issues with battery charging and overall efficiency of the vehicle.

9. How much does it cost to repair OBDII code C1927 Toyota at a dealership or repair shop?

- Repair costs can vary depending on the exact cause of the issue, but replacing the sub battery temperature sensor and addressing related wiring or connection problems can typically range from $200 to $500.

10. Can OBDII code C1927 Toyota be related to other codes or issues in the vehicle?

- Yes, the code C1927 Toyota can be related to other hybrid system codes or issues, as it is part of the system responsible for monitoring and regulating the hybrid battery temperature.