AutoCodes – Generic – C0232

C0232 Code - Automatic Transmission Abnormal

Quick Answer

The Anti-Lock Brake System (ABS) Module monitors the Automatic Transmission (AT) Control Module signal. Common causes include Faulty Automatic Transmission (AT) Control Module, Automatic Transmission (AT) Control Module harness is open or shorted, Automatic Transmission (AT) Control Module 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: C0232 indicates Automatic Transmission Abnormal.
Common causes: Common causes include Faulty Automatic Transmission (AT) Control Module, Automatic Transmission (AT) Control Module harness is open or shorted, Automatic Transmission (AT) Control Module 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 7,904

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 C0232 Description

The Anti-Lock Brake System (ABS) Module monitors the Automatic Transmission (AT) Control Module signal. The ABS Module sets the OBDII code when the AT Control Module signal is not to factory specifications.

OBDII Code C0232 - Automatic Transmission Abnormal - AutoCodes.com — C0232 Code - Automatic Transmission Abnormal

What does this mean?

What are the Possible Causes of the DTC C0232?

Faulty Automatic Transmission (AT) Control Module
Automatic Transmission (AT) Control Module harness is open or shorted
Automatic Transmission (AT) Control Module circuit poor electrical connection

How to Fix the DTC C0232?

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 C0232 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 C0232 code?

Need more information on how to fix the C0232 code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the C0232 code diagnosed by a professional: Find a repair shop in your area

Information for Specific Makes

C0232 Subaru — Automatic Transmission Abnormal

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 C0232 Code

1. What are common symptoms of OBDII code C0232 (Automatic Transmission Abnormal)?

- Common symptoms include harsh shifting, slipping gears, delayed engagement, and illuminated transmission warning lights.

2. What are possible causes of OBDII code C0232?

- Possible causes include issues with the transmission control module (TCM), faulty sensors, wiring problems, or internal transmission failures.

3. How can I diagnose the cause of OBDII code C0232?

- Diagnosis typically involves using a professional OBDII scanner to retrieve the specific fault codes, conducting a visual inspection of wiring and connectors, and performing tests on transmission components.

4. Can driving with OBDII code C0232 cause further damage to the vehicle?

- Continuing to drive with this code can potentially lead to more severe transmission issues and should be addressed promptly to avoid costly repairs.

5. What are some repair tips for fixing OBDII code C0232?

- Repair tips may include checking and repairing any damaged wiring, replacing faulty sensors, ensuring proper fluid levels and quality, and performing a TCM relearn procedure.

6. Is it safe to continue driving if the transmission is acting abnormally but the OBDII code has not been diagnosed yet?

- It is not recommended to continue driving if the transmission is exhibiting abnormal behavior, as this can exacerbate the issue and potentially lead to further damage.

7. How much does it typically cost to repair OBDII code C0232?

- The cost of repair can vary depending on the specific cause of the issue, but it may range from a few hundred to over a thousand dollars, including parts and labor.

8. Can OBDII code C0232 be reset without fixing the underlying issue?

- Resetting the code without addressing the underlying problem is not a recommended practice, as the issue will likely persist and could lead to more serious transmission problems.

9. Are there any preventative maintenance measures to help avoid OBDII code C0232?

- Regular transmission fluid changes, proper maintenance of sensors and components, and addressing any abnormal transmission behavior promptly can help prevent this code from occurring.

10. Can a DIY enthusiast fix OBDII code C0232, or is it best left to professionals?

- While some basic troubleshooting and repairs can be done by DIY enthusiasts, diagnosing and repairing complex transmission issues related to this code may be best left to professional mechanics with the necessary tools and expertise.