C1942 Lexus Code - Malfunction In Signal From Steering Sensor To Front Active Stabilizer Control ECU
Quick Answer
The Active Stabilizer Suspension System uses CAN communication to gather information necessary for control functions. Common causes include Faulty Front Active Stabilizer Control ECU, Front Active Stabilizer Control ECU harness is open or shorted, Front Active Stabilizer Control ECU 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
- C1942 Lexus indicates Malfunction In Signal From Steering Sensor To Front Active Stabilizer Control ECU.
- Common causes
- Common causes include Faulty Front Active Stabilizer Control ECU, Front Active Stabilizer Control ECU harness is open or shorted, Front Active Stabilizer Control ECU 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 C1942 Lexus Description
What are the Possible Causes of the DTC C1942 Lexus?
- Faulty Front Active Stabilizer Control ECU
- Front Active Stabilizer Control ECU harness is open or shorted
- Front Active Stabilizer Control ECU circuit poor electrical connection
How to Fix the DTC C1942 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 C1942 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 C1942 Lexus Code
1. What does the OBDII code C1942 mean on a Lexus?
The code C1942 indicates a malfunction in the signal from the steering angle sensor to the Front Active Stabilizer Control ECU, which is part of the stability and handling system.
2. What are the common symptoms of the C1942 code on a Lexus?
Symptoms may include the illumination of the check engine light or stability control warning light, reduced handling performance, or the active stabilizer system being disabled.
3. What causes the C1942 code to appear on a Lexus?
The most common causes include a faulty steering angle sensor, damaged wiring or connectors, or a malfunction in the Front Active Stabilizer Control ECU.
4. Can I drive my Lexus with the C1942 code?
While the vehicle may still be drivable, handling and stability might be compromised, especially during sharp turns or uneven road conditions. It’s best to have it inspected promptly.
5. How can a mechanic diagnose the C1942 code on a Lexus?
A mechanic will typically use a scan tool to confirm the code, inspect the steering angle sensor, check for wiring or connector issues, and test the Front Active Stabilizer Control ECU.
6. How do you fix the C1942 code on a Lexus?
Repairs may involve replacing the steering angle sensor, repairing damaged wiring or connectors, or reprogramming or replacing the Front Active Stabilizer Control ECU.
7. Can a faulty steering angle sensor trigger the C1942 code?
Yes, a faulty or misaligned steering angle sensor is one of the most common causes of the C1942 code.
8. How much does it cost to fix the C1942 code on a Lexus?
Repair costs can vary but typically range from $200 to $800 depending on whether the issue is with the sensor, wiring, or ECU.
9. Can I reset the C1942 code without fixing the issue?
While you can clear the code using an OBDII scanner, it will likely return if the underlying issue is not resolved.
10. Is the C1942 code covered under warranty for Lexus vehicles?
It depends on the age and mileage of the vehicle and the terms of your warranty. Check with your dealership to confirm coverage.
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