What is the Honda A123 Service Code?

The A123 Honda maintenance code represents an oil change, tire rotation service, engine and cabin air filter replacement, drive belt inspection, transmission fluid replacement, and transfer fluid replacement (if equipped).

The “A” stands for an oil change, the “1” stands for a tire rotation, the “2” stands for an engine and cabin filter replacement with drive belt inspection, and the”3″ stands for a transmission fluid replacement and transfer fluid replacement.

The A123 service is similar to the A12 service but it adds transmission fluid replacement and transfer fluid replacement for AWD/4WD Honda vehicles. It is typically performed by a Honda dealership or with a local mechanic .

Honda A123 Service Cost

The A123 service typically costs over $300. The cost will depend on the specific Honda vehicle you have and the labor cost rate.

For maintenance services like the A123, most dealerships and 3rd party auto shops offer coupons and discounts. We suggest calling several locations beforehand to get the best deals.

“A” Service Cost

The “A” service, or oil change, typically costs $50-$100 depending on the Honda model you have. It is a 30 to 40-minute service with the cost mostly from the parts. Some Honda vehicles, like the 2022 Pilot, require synthetic oil which is more expensive.

RepairPal also offers an “A” service (oil change) cost estimate for your vehicle and location:
Oil Change Estimator

“1” Service Cost

The “1” service, or tire rotation, typically costs $30 to $45. The tire rotation takes about 15 minutes of labor time. However, we suggest calling your Honda dealership or 3rd party auto repair shop for exact quotes.

RepairPal also offers a “1” service (tire rotation) cost estimate for your vehicle and location:
Tire Rotation Estimator

“2” Service Cost

The “2” service is an engine and air filter replacement with a drive belt inspection and typically costs $100 to $150. The whole service takes about 45 minutes of labor time. However, we suggest calling your Honda dealership or 3rd party auto repair shop for exact quotes.

RepairPal also offers estimators for the engine and air filter replacement part of the “2” service:
Engine Air Filter Replacement Estimator
Cabin Air Filter Replacement

“3” Service Cost

The “3” service for Honda vehicles can cost over $100 to $200 from the fluid depending on your vehicle. However, we suggest calling your Honda dealership or 3rd party auto repair shop for exact quotes.

RepairPal offers an estimator transmission fluid but not the transfer case fluid replacement portion of the “3” service:
Transmission Fluid Replacement Estimator

Get your have Honda service done wherever you are. Try Repair Smith below and get a quote for Honda maintenance.

Honda A123 DIY Cost

Want to save money or prefer to rely on yourself for your Honda’s maintenance? Performing an A123 service yourself will cost $100 to $200 depending on the brands and oil type you use.

We suggest using Honda parts or any aftermarket equivalents. Below are some oil and oil filters made for most Honda vehicles. Check online or at your local auto parts store for exact part numbers.

Oil Filter

A123 Maintenance Minder Description

The Honda maintenance minder code sheet above lists all the main and sub service items with A123 highlighted.

“A” Main Service Item

Honda describes the “A” service as an engine oil change only. Although it recommends oil change only, it is best practice to replace the oil filter whenever the oil is changed.

“1” Sub Service Item

Honda describes the “1” service as a tire rotation. In addition to rotating the tires, dealerships will also check the tire pressure and treads for wear or punctures.

“2” Sub Service Item

Honda describes the “2” service as an engine air filter replacement, cabin air filter replacement, and drive belt inspection.

“3” Sub Service Item

Honda describes the “3” service as a transmission fluid replacement and transfer case fluid replacement. Only Hondas with 4WD or AWD will have a transfer case and need the fluid changed out.