AutoCodes – Subaru – C0235 Subaru

C0235 Subaru Code - Ignition Switch Circuit

Quick Answer

The Anti-Lock Brake System (ABS) Module monitors the Ignition Switch. Common causes include Faulty Ignition Switch, Ignition Switch harness is open or shorted, Ignition Switch 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: C0235 Subaru indicates Ignition Switch Circuit.
Common causes: Common causes include Faulty Ignition Switch, Ignition Switch harness is open or shorted, Ignition Switch 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 1,887

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 Jun 01, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code C0235 Subaru Description

The Anti-Lock Brake System (ABS) Module monitors the Ignition Switch. The ABS Module sets the OBDII code when the Ignition Switch is not to factory specifications.

OBDII Code C0235 Subaru - Ignition Switch Circuit - AutoCodes.com — C0235 Subaru Code - Ignition Switch Circuit

What does this mean?

What are the Possible Causes of the DTC C0235 Subaru?

Faulty Ignition Switch
Ignition Switch harness is open or shorted
Ignition Switch circuit poor electrical connection

How to Fix the DTC C0235 Subaru?

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 C0235 Subaru 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 C0235 Subaru 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 C0235 Subaru Code

1. What are the common symptoms of OBDII code C0235 in a Subaru related to the Ignition Switch Circuit?

The common symptoms include difficulty starting the vehicle, intermittent stalling, and issues with the ignition system.

2. What are the possible causes of OBDII code C0235 related to the Ignition Switch Circuit in a Subaru?

Possible causes include a faulty ignition switch, damaged wiring in the ignition circuit, or a malfunctioning ignition control module.

3. How can I diagnose the OBDII code C0235 in my Subaru related to the Ignition Switch Circuit?

Diagnosis involves using a scan tool to read the fault codes, checking the ignition switch for proper operation, and inspecting the wiring for any signs of damage or loose connections.

4. Can I still drive my Subaru with OBDII code C0235 related to the Ignition Switch Circuit?

It is not recommended to drive the vehicle with this code present, as it can lead to potential stalling or starting issues, which can be unsafe.

5. What are the repair options for fixing OBDII code C0235 in a Subaru relating to the Ignition Switch Circuit?

Repair options include replacing the faulty ignition switch, repairing any damaged wiring, or replacing the ignition control module if necessary.

6. How much does it typically cost to repair OBDII code C0235 in a Subaru related to the Ignition Switch Circuit?

The cost of repair can vary depending on the specific issue, but it may range from $100 to $300 for parts and labor.

7. Are there any preventative maintenance tips to avoid OBDII code C0235 related to the Ignition Switch Circuit in a Subaru?

Regularly inspecting the ignition system components, ensuring proper wiring connections, and addressing any starting or stalling issues promptly can help prevent this code from occurring.

8. Can a DIY enthusiast repair OBDII code C0235 related to the Ignition Switch Circuit in a Subaru?

Depending on the level of expertise, a DIY enthusiast may be able to diagnose and repair this code by following a repair manual or online guides. However, professional help is recommended for complex issues.

9. Will resetting the OBDII code C0235 related to the Ignition Switch Circuit in my Subaru make it go away permanently?

Resetting the code may temporarily clear the warning light, but if the underlying issue is not fixed, the code is likely to reappear. It is essential to address the root cause of the problem.

10. Can a bad battery cause OBDII code C0235 related to the Ignition Switch Circuit in a Subaru?

While a bad battery can cause starting issues, it is not a common direct cause of this specific OBDII code. It is recommended to check the ignition system components first.