C1923 Lexus Code - Open In Rear Motor Driver Circuit
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
- C1923 Lexus indicates Open In Rear Motor Driver Circuit.
- 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.
Code C1923 Lexus Description
What are the Possible Causes of the DTC C1923 Lexus?
- 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 C1923 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 C1923 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 C1923 Lexus Code
1. What does the OBDII code C1923 mean on a Lexus?
C1923 indicates an "Open in Rear Motor Driver Circuit," meaning there’s an issue with the circuit controlling the rear motor, often related to the rear height control system or suspension.
2. What are the common symptoms of code C1923 in a Lexus?
Symptoms may include an illuminated check engine light, suspension height issues, uneven vehicle stance, or a malfunctioning rear height control system.
3. What causes the C1923 code to appear in a Lexus?
Common causes include damaged wiring, a faulty rear motor, a defective height control sensor, or a malfunctioning control module.
4. Can a blown fuse cause the C1923 code in a Lexus?
Yes, a blown fuse in the rear motor circuit can lead to an open circuit and trigger the C1923 code.
5. How do you diagnose the C1923 code in a Lexus?
Diagnosis involves inspecting the rear motor circuit for open or damaged wires, testing the rear motor for proper operation, and checking the height control sensor and related components.
6. Can I continue driving with the C1923 code active in my Lexus?
You can drive, but suspension height issues may affect ride comfort and handling. It’s best to address the issue promptly to avoid further damage.
7. How do I fix the C1923 code on a Lexus?
Repairs may include replacing damaged wiring, repairing or replacing the rear motor, and ensuring all electrical connections in the circuit are secure.
8. Is the C1923 code related to the air suspension system in a Lexus?
Yes, it often pertains to the air suspension or height control system, particularly the rear motor responsible for adjusting suspension height.
9. Can clearing the C1923 code solve the problem in a Lexus?
Clearing the code may temporarily turn off the warning light, but the underlying issue must be fixed to prevent the code from returning.
10. How much does it cost to fix the C1923 code on a Lexus?
Repair costs vary depending on the cause, but typical expenses range from $100 for simple wiring repairs to $1,000 or more for component replacements like the rear motor.
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