
The Acura B12 Service is an essential maintenance reminder for your vehicle, typically required at 15,000 miles to keep it running smoothly. The service code consists of two parts: B and 12. The B stands for an oil and filter change, which is crucial for engine performance, along with inspections of key components like fuel lines, brakes, steering gear, and more.
The 1 refers to tire rotation, promoting even wear and improved safety, while the 2 involves replacing the engine and cabin air filters and checking the drive belt. The total cost of the Acura B12 Service ranges from $100 to $300, depending on your location and vehicle model. The service usually takes about 3 to 5 hours to complete, ensuring your Acura remains in top condition.
What is the Acura B12 Service Maintenance Code and Its Meaning?
The Acura B12 Service Code is a crucial maintenance alert that notifies you when specific servicing is required to keep your vehicle running efficiently. This code is divided into two key parts: B and 12, each representing essential maintenance tasks.
- B – Indicates an oil and filter change, which is essential for keeping the engine clean and running smoothly.
- 1 – Refers to tire rotation, helping to promote even tire wear and improve overall safety.
- 2 – Involves replacing the engine and cabin air filters along with a drive belt inspection to prevent potential issues.
By following the B12 service schedule, you ensure your Acura remains in peak condition, enhancing performance, safety, and longevity.
Acura B12 Maintenance Code Explained
The B12 maintenance code serves as a reminder that your Acura requires essential services to maintain its performance and reliability. Below is a breakdown of the tasks included in this important service:
Tasks Included in “B” – Oil Change and Inspections
The “B” portion of the B12 service focuses on changing the oil and engine filter, which is crucial for keeping the engine clean and running smoothly. In addition to this, the technician will inspect various key components to ensure they are in good working condition:

- Fuel Lines & Connections: Ensures no leaks or issues that could affect fuel delivery.
- Brakes (Front & Rear): Inspects brake pads for wear to guarantee safety.
- Steering Gearbox & Tie Rod Ends: Ensures proper function of the steering system.
- ABS/VSA Brake Lines: Inspects for any leaks or faults within the braking system.
- Exhaust System: Examines the exhaust for damage or issues that could affect both emissions and engine performance.
- Driveshaft Boots: Checks for any damage that could impact drivability.
- Fluid Levels & Condition: Verifies all essential fluids, such as brake, coolant, and transmission fluids, are at appropriate levels.
Maintenance Tasks in “1” – Tire Rotation
The “1” part of the B12 service focuses on rotating your tires to promote even wear, which helps extend their lifespan and improves handling. During this service, the technician will:
- Rotate the tires in a forward cross pattern, depending on your vehicle type.
- Inspect each tire for any damage or uneven wear, ensuring there are no punctures or issues that could affect your driving experience.
Maintenance Tasks in “2” – Drive Belt Check and Filter Replacements
The “2” section of the B12 service involves replacing the engine and cabin air filters, ensuring your engine runs smoothly and that the air inside your vehicle stays clean. Additionally, the technician will:
- Inspect the drive belt for any signs of wear or cracks. This belt powers essential components like the air conditioning and alternator, making it vital for the vehicle’s overall functionality.
Adhering to the B12 service code ensures your Acura continues to deliver optimal performance, maintaining safety, reliability, and efficiency.

What is the Ideal Timing for Acura B12 Service?
The Acura B12 service is typically required at 15,000 miles, serving as a key maintenance milestone to keep your vehicle performing at its best. Neglecting this service can result in engine inefficiencies and potential issues with crucial components.
Sticking to regular maintenance ensures optimal safety, reliability, and longevity for your Acura. To prevent unexpected problems, always follow your vehicle’s maintenance schedule for the recommended service intervals.
How Much is the Cost of Acura B12 Service?
The cost of the Acura B12 Service typically ranges between $100 and $300, though several factors can affect the final price. Here’s a detailed breakdown of the costs involved:

- Oil and Filter Change (B): This essential service ensures your engine stays clean and operates efficiently. The cost usually falls between $50 and $100, depending on the oil type and service provider.
- Tire Rotation (1): This service promotes even tire wear and improves handling. The typical cost for tire rotation is between $30 and $50.
- Engine and Cabin Air Filter Replacement (2): Replacing these filters keeps your engine functioning smoothly and ensures fresh air inside the cabin. This service usually costs between $100 and $150.
| Service Task | Cost Range |
| Oil and Filter Change (B) | $50 – $100 |
| Tire Rotation (1) | $30 – $50 |
| Engine and Cabin Air Filter Replacement (2) | $100 – $150 |
What factors influence the cost of Acura B12 service?
The cost of Acura B12 service can vary based on several factors. Below are the key elements that can impact the price:
- Location: Labor rates can vary depending on your region, with metropolitan areas often having higher costs.
- Vehicle Model: Models like the Acura MDX may require more expensive synthetic oil, raising the overall service cost.
- Service Provider: Dealerships may charge more due to their specialized expertise, whereas independent mechanics often offer lower prices. However, dealerships may provide warranties and specialized services.
Why Regular Maintenance is Important?
Neglecting the Acura B12 Service can lead to costly repairs, reduced performance, fuel efficiency, and tire lifespan. Regular maintenance helps ensure your Acura stays safe, reliable, and efficient on the road.
How to Reset the Service Due Light on a 2012 Acura TSX
To reset the Service Due light on your 2012 Acura TSX, follow these easy steps:
- Turn the Ignition On: Insert your key and turn it to the second position, just before the engine starts.
- Access the Oil Life Screen: Press the Select/Reset button on the dashboard until the remaining oil life appears on the display.
- Reset the Oil Life: Hold the Select/Reset button for about 10 seconds. A new screen will pop up.
- Confirm the Reset: Use the up or down arrow buttons to select Reset, then press the Select/Reset button again to confirm.
After following these steps, the Service Due light should reset successfully. For more assistance, check out the full video here:
Conclusion
The Acura B12 Service has been a crucial part of keeping my vehicle in great shape. I remember the first time I had it done—I wasn’t entirely sure what to expect, but after the oil change, tire rotation, and filter replacements, my car felt like it was running smoother than ever. The peace of mind knowing that key components like the brakes and fuel lines were checked really made me appreciate the importance of this service.
Although the cost can vary depending on where you go, I’ve found it’s totally worth it to make sure my Acura stays reliable and performs at its best. Regular maintenance like the B12 Service helps avoid bigger issues down the road, and I’ve noticed improvements in fuel efficiency and overall handling too.
FAQs
Q. What does the “B” in B12 Service represent?
The “B” refers to the oil and filter change, which is crucial for maintaining engine health. It also involves inspecting essential components such as brakes, fuel lines, and the exhaust system to ensure overall vehicle performance.
Q. Why is the oil and filter change important in B12 Service?
Changing the oil and filter regularly helps keep the engine clean by removing debris and contaminants. This improves engine performance and extends its lifespan by preventing damage caused by the buildup of dirt and particles.
Q. What does the Acura service code 7 mean?
The service code 7 on an Acura indicates that it’s time to replace the brake fluid.
Q. Where can I find Acura B12 service coupons?
Acura B12 service coupons are available at Acura dealerships and online.






