AutoCodes – Generic – C1934

C1934 Code - Front Metal Board Overheat

Quick Answer

The Front Active Stabilizer Control ECU consists of a metal board, control board, power source IC, step-up circuit, Electrically Erasable Programmable Read-Only Memory (EEPROM), and other parts. 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: C1934 indicates Front Metal Board Overheat.
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 3,980

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 C1934 Description

OBDII Code C1934 - Front Metal Board Overheat - AutoCodes.com — C1934 Code - Front Metal Board Overheat

What does this mean?

What are the Possible Causes of the DTC C1934?

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 C1934?

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 C1934 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 C1934 code?

Need more information on how to fix the C1934 code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the C1934 code diagnosed by a professional: Find a repair shop in your area

Information for Specific Makes

C1934 Lexus — Front Metal Board Overheat
C1934 Toyota — Front Metal Board Overheat

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 C1934 Code

1. What are the common symptoms of OBDII code C1934 (Front Metal Board Overheat)?

- Common symptoms include illuminated warning lights on the dashboard, overheating of the front metal board, and potential loss of functionality in related systems.

2. What are the possible causes of OBDII code C1934?

- The code C1934 typically indicates issues such as a malfunctioning front metal board temperature sensor, damaged wiring in the sensor circuit, or problems with the front metal board cooling system.

3. How can I diagnose the cause of OBDII code C1934?

- To diagnose the issue, you can use an OBDII scanner to read the code and investigate the front metal board temperature sensor, check the wiring for any damage, and inspect the cooling system for leaks or blockages.

4. Can driving with OBDII code C1934 present any risks?

- Driving with code C1934 may pose risks such as potential overheating of the front metal board, which could lead to damage to other components or systems in the vehicle.

5. What are some repair tips for fixing OBDII code C1934?

- Repair tips for code C1934 may include replacing the front metal board temperature sensor, repairing or replacing damaged wiring, ensuring proper functioning of the cooling system, and clearing the trouble code with an OBDII scanner after repairs.

6. Are there any DIY fixes for OBDII code C1934?

- DIY fixes for code C1934 may be limited, as it often requires diagnosing and repairing electrical or cooling system components. It is recommended to consult a qualified mechanic for proper diagnosis and repair.

7. How much does it typically cost to fix OBDII code C1934?

- The cost of fixing code C1934 can vary depending on the underlying cause. It may involve expenses for parts such as the temperature sensor, wiring repairs, and labor costs for diagnosis and repair at a repair shop.

8. Can code C1934 be intermittent or permanent?

- Code C1934 can be either intermittent or permanent, depending on the underlying cause and whether the issue is resolved. Intermittent codes may temporarily disappear but could reappear if the problem persists.

9. Is it safe to continue driving with OBDII code C1934 unresolved?

- It is not recommended to continue driving with unresolved code C1934, as it could lead to potential overheating issues with the front metal board, risking damage to other vehicle components.

10. How important is it to address OBDII code C1934 promptly?

- It is important to address code C1934 promptly to prevent further damage to the vehicle, ensure proper functioning of related systems, and maintain overall safety while driving.