B28A5 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 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.
Code B28A5 Description
What are the Possible Causes of the DTC B28A5?
- Faulty Stereo Camera
- Stereo Camera harness is open or shorted
- Stereo Camera circuit poor electrical connection
How to Fix the DTC B28A5?
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 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 code?
Need more information on how to fix the B28A5 code? Get Access to Factory Service Manuals
Need Help with the Code?
Get the B28A5 code diagnosed by a professional: Find a repair shop in your area
Information for Specific Makes
- B28A5 Subaru — Engine Torque Limiter Control Prohibit
Frequently Asked Questions about B28A5 Code
1. What are common symptoms of OBDII code B28A5 (Engine Torque Limiter Control Prohibit)?
- Common symptoms include reduced engine power, hesitation during acceleration, and illuminated Check Engine light.
2. What typically causes the OBDII code B28A5 to trigger?
- This code is usually triggered by issues with the engine torque limiter control system, such as sensor malfunctions or wiring problems.
3. How can I diagnose the underlying issue causing the B28A5 trouble code?
- A thorough diagnostic scan using an OBDII scanner can help pinpoint the exact cause, along with inspecting related sensors and wiring for any visible damage.
4. Can driving with the B28A5 code present cause further damage to the vehicle?
- Driving with this code present can potentially lead to poor engine performance and fuel efficiency, and it's best to address the underlying issue promptly to prevent further damage.
5. Are there any DIY repair tips for fixing the Engine Torque Limiter Control Prohibit issue?
- DIY repair tips may include checking and cleaning sensor connections, inspecting wiring for any damage, and resetting the trouble code to see if it reoccurs.
6. Is it safe to continue driving my vehicle with the Engine Torque Limiter Control Prohibit code?
- It is not recommended to drive the vehicle with this code present, as it can affect the engine's performance and potentially lead to further issues.
7. How much does it typically cost to repair the B28A5 trouble code at a professional mechanic or dealership?
- The cost of repairing this code can vary depending on the underlying issue, but it may range from $100 to $500 or more, including parts and labor.
8. Can a faulty oxygen sensor trigger the B28A5 trouble code?
- While it is not a common cause, a faulty oxygen sensor may indirectly affect the engine torque limiter control system, potentially leading to the B28A5 trouble code.
9. Will disconnecting the battery reset the B28A5 trouble code?
- Disconnecting the battery may reset the trouble code temporarily, but if the underlying issue is not addressed, the code is likely to reappear after some driving cycles.
10. How can I prevent the Engine Torque Limiter Control Prohibit code from recurring in the future?
- Regular maintenance, such as keeping sensors clean and ensuring proper wiring connections, can help prevent the B28A5 trouble code from recurring.
Discuss the causes and fixes for B28A5 OBDII Code
Code B28A5 comments
No comments found for this page.
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.
