C1927 Lexus 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 Lexus 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.
Code C1927 Lexus Description
What are the Possible Causes of the DTC C1927 Lexus?
- 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 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 C1927 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.
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Frequently Asked Questions about C1927 Lexus Code
1. What does the OBDII code C1927 mean on a Lexus?
C1927 indicates an issue with the sub battery temperature sensor, which monitors the temperature of the auxiliary battery.
2. What are the common symptoms of code C1927 in a Lexus?
Symptoms may include warning lights on the dashboard, reduced auxiliary battery performance, or difficulty with electrical systems relying on the sub battery.
3. What causes the C1927 code to trigger in a Lexus?
Common causes include a faulty sub battery temperature sensor, damaged wiring or connectors, or issues with the auxiliary battery itself.
4. Can I drive my Lexus with the C1927 code active?
While the vehicle may remain drivable, ignoring the code can lead to further electrical issues or reduced battery efficiency, so it’s best to address it promptly.
5. How is the C1927 code diagnosed in a Lexus?
A mechanic will use a scan tool to confirm the code, inspect the sub battery temperature sensor, check the wiring and connections, and test the auxiliary battery.
6. How do I fix the C1927 code on a Lexus?
Repairs may involve replacing the sub battery temperature sensor, repairing damaged wiring, or replacing the auxiliary battery if it's found to be defective.
7. What tools are needed to fix the C1927 code?
Tools may include an OBDII scanner, multimeter for electrical testing, and basic hand tools for removing and replacing components.
8. How much does it cost to repair the C1927 code on a Lexus?
Depending on the exact cause, repairs can range from $100 to $300, with sensor replacement being less expensive than a full auxiliary battery replacement.
9. Can a weak auxiliary battery cause the C1927 code?
Yes, a degraded or weak auxiliary battery can cause inaccurate temperature readings, triggering the C1927 code.
10. How can I prevent the C1927 code from reoccurring in my Lexus?
Regularly inspect the sub battery and its sensor, ensure the wiring is intact, and replace the auxiliary battery as recommended by the manufacturer.
Discuss the causes and fixes for C1927 Lexus OBDII Code
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