AutoCodes – Lexus – C1924 Lexus

C1924 Lexus Code - Short 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: C1924 Lexus indicates Short 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.

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Code Popularity 1,143

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 C1924 Lexus 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 C1924 Lexus - Short In Rear Motor Driver Circuit - AutoCodes.com — C1924 Lexus Code - Short In Rear Motor Driver Circuit

What does this mean?

What are the Possible Causes of the DTC C1924 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 C1924 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 C1924 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.

Need more information about the C1924 Lexus 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 C1924 Lexus Code

1. What are the common symptoms of OBDII code C1924 (Lexus) Short In Rear Motor Driver Circuit?

- Common symptoms include issues with the electronic stability control system, traction control system malfunction, and potentially a disabled ABS system.

2. What are the possible causes of OBDII code C1924 (Lexus) Short In Rear Motor Driver Circuit?

- The code can be triggered by a short circuit in the wiring harness, a faulty rear motor driver circuit, or a malfunctioning electronic control unit (ECU).

3. How can I diagnose the OBDII code C1924 (Lexus) Short In Rear Motor Driver Circuit?

- Diagnosis typically involves using a professional OBDII scanner to read the error code, inspecting the wiring harness for visible damage, and conducting a thorough circuit test.

4. Can I drive my Lexus with the OBDII code C1924 (Short In Rear Motor Driver Circuit) active?

- It is not recommended to drive your vehicle with this code active, as it can affect the performance of critical safety systems like ABS and traction control.

5. How can I repair OBDII code C1924 (Lexus) Short In Rear Motor Driver Circuit?

- Repair options include fixing any damaged wiring, replacing the rear motor driver circuit if necessary, or reprogramming the ECU to clear the error code.

6. Will resetting the OBDII code C1924 (Lexus) Short In Rear Motor Driver Circuit make the problem go away?

- Resetting the code may temporarily clear the warning light, but it will not fix the underlying issue causing the error code to appear.

7. Is it safe to continue driving my Lexus if the OBDII code C1924 (Lexus) Short In Rear Motor Driver Circuit keeps coming back after repairs?

- It is not safe to ignore recurring instances of this error code, as it indicates a persistent issue with the rear motor driver circuit that needs to be properly addressed.

8. Can extreme weather conditions trigger the OBDII code C1924 (Lexus) Short In Rear Motor Driver Circuit?

- Extreme weather conditions can potentially exacerbate existing wiring or circuit issues, leading to the activation of this error code.

9. How long does it typically take to repair OBDII code C1924 (Lexus) Short In Rear Motor Driver Circuit?

- The repair time can vary depending on the extent of the damage and the availability of replacement parts, but it is advisable to address the issue promptly.

10. Are there any preventative measures I can take to avoid OBDII code C1924 (Lexus) Short In Rear Motor Driver Circuit in the future?

- Regular maintenance checks, avoiding water damage to the vehicle's electrical components, and addressing any wiring issues promptly can help prevent the recurrence of this error code.