AutoCodes – Generic – C1942

C1942 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 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.

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Code Popularity 9,634

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 C1942 Description

The Active Stabilizer Suspension System uses CAN communication to gather information necessary for control functions. When a malfunction occurs in another system, the Diagnostic Trouble Code (DTC) is stored.

OBDII Code C1942 - Malfunction In Signal From Steering Sensor To Front Active Stabilizer Control ECU - AutoCodes.com — C1942 Code - Malfunction In Signal From Steering Sensor To Front Active Stabilizer Control ECU

What does this mean?

What are the Possible Causes of the DTC C1942?

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?

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 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 C1942 code?

Need more information on how to fix the C1942 code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the C1942 code diagnosed by a professional: Find a repair shop in your area

Information for Specific Makes

C1942 Lexus — Malfunction In Signal From Steering Sensor To Front Active Stabilizer Control ECU
C1942 Toyota — Malfunction In Signal From Steering Sensor To Front Active Stabilizer Control ECU

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 C1942 Code

1. What are the common symptoms of OBDII code C1942?

- Common symptoms of code C1942 include issues with the steering response, stability control system malfunctions, and dashboard warning lights related to the steering system.

2. What can cause OBDII code C1942 to appear?

- The code C1942 typically appears due to a malfunction in the signal from the steering sensor to the Front Active Stabilizer Control ECU, which can be caused by wiring issues, sensor faults, or ECU problems.

3. How serious is OBDII code C1942?

- Code C1942 indicates a malfunction in the steering sensor signal to the stabilizer control ECU, which can affect the vehicle's stability control system. It is important to address this issue to ensure safe driving conditions.

4. How can I diagnose OBDII code C1942?

- Diagnosing code C1942 involves using a diagnostic scanner to retrieve the code, checking the wiring and connectors related to the steering sensor, and testing the sensor and ECU for faults.

5. Can I drive my vehicle with OBDII code C1942?

- It is not recommended to drive the vehicle with code C1942 present, as it can affect the stability control system and potentially compromise the safety of the vehicle.

6. How can I repair OBDII code C1942?

- Repairing code C1942 involves addressing the root cause of the issue, which may include repairing or replacing faulty wiring, sensors, or the Front Active Stabilizer Control ECU.

7. Will resetting the OBDII code C1942 make it go away permanently?

- Resetting the code may temporarily clear the warning light, but if the underlying issue causing code C1942 is not addressed, the code is likely to reappear.

8. How much does it cost to repair OBDII code C1942?

- The cost of repairing code C1942 can vary depending on the specific cause of the issue, the extent of the repairs needed, and labor costs at the repair facility.

9. Can a DIY enthusiast fix OBDII code C1942?

- Depending on the DIY enthusiast's skill level and access to tools, it may be possible to address code C1942 by checking wiring connections, testing sensors, and potentially replacing faulty components.

10. Is it necessary to visit a mechanic for OBDII code C1942?

- Visiting a mechanic is recommended for diagnosing and repairing code C1942, as they have the expertise and tools needed to properly address the issue and ensure the vehicle's safety and performance.