AutoCodes – Subaru – B28A5 Subaru

B28A5 Subaru Code - Engine Torque Limiter Control Prohibit

Quick Answer

The Diagnostic Trouble Code (DTC) is set when abnormal data is transmitted from stereo camera to Engine Control Module (ECM) and the Engine Control Module (ECM) prohibits the AT rapid start prevention control, or when the Engine Control Module (ECM) prohibits the AT rapid start prevention control. Common causes include Faulty Stereo Camera, Stereo Camera harness is open or shorted, Stereo Camera 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: B28A5 Subaru indicates Engine Torque Limiter Control Prohibit.
Common causes: Common causes include Faulty Stereo Camera, Stereo Camera harness is open or shorted, Stereo Camera 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 1,150

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 Feb 19, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code B28A5 Subaru Description

OBDII Code B28A5 Subaru - Engine Torque Limiter Control Prohibit - AutoCodes.com — B28A5 Subaru Code - Engine Torque Limiter Control Prohibit

What does this mean?

What are the Possible Causes of the DTC B28A5 Subaru?

Faulty Stereo Camera
Stereo Camera harness is open or shorted
Stereo Camera circuit poor electrical connection

How to Fix the DTC B28A5 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 B28A5 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 B28A5 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 B28A5 Subaru Code

1. What are the common symptoms of OBDII code B28A5 Subaru Engine Torque Limiter Control Prohibit?

The common symptoms include reduced engine power, hesitation during acceleration, and illuminated check engine light.

2. What can cause the OBDII code B28A5 Subaru Engine Torque Limiter Control Prohibit?

Possible causes include a faulty torque limiter control module, issues with the throttle position sensor, or wiring problems.

3. How can I diagnose the OBDII code B28A5 Subaru Engine Torque Limiter Control Prohibit?

Diagnosis involves using an OBDII scanner to retrieve the code, checking for other related codes, and conducting a visual inspection of the relevant components.

4. Can I still drive my Subaru with the OBDII code B28A5 Engine Torque Limiter Control Prohibit?

It is not recommended to drive your vehicle with this code present, as it can lead to performance issues and potential damage to the engine.

5. What should I do if I encounter the OBDII code B28A5 Subaru Engine Torque Limiter Control Prohibit?

It is advisable to have your vehicle inspected by a qualified mechanic to determine the exact cause of the issue and perform necessary repairs.

6. Are there any DIY repair tips for fixing the OBDII code B28A5 Subaru Engine Torque Limiter Control Prohibit?

DIY repair is not recommended for this code as it involves complex electronic components that require specialized tools and knowledge to diagnose and repair.

7. How much does it typically cost to repair the OBDII code B28A5 Subaru Engine Torque Limiter Control Prohibit?

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

8. Can resetting the OBDII code B28A5 Subaru Engine Torque Limiter Control Prohibit resolve the issue?

Resetting the code may temporarily clear the check engine light, but it will not fix the underlying problem causing the code to appear.

9. Is the OBDII code B28A5 Subaru Engine Torque Limiter Control Prohibit a serious issue?

Yes, this code indicates a problem with the engine's torque control system, which can impact the vehicle's performance and should be addressed promptly.

10. How can I prevent the OBDII code B28A5 Subaru Engine Torque Limiter Control Prohibit from recurring?

Regular maintenance, including keeping the engine components clean and in good condition, can help prevent issues that may trigger this code from appearing again.