Honda Civic Service Codes B123. Honda has a website for this also. Along with the 15% oil life message, there will be an alphanumeric code that is displayed on the same screen.
Honda automotive customer relations toll free: A= replace engine oil 1= rotate tires 2=replace air filter, cabin air filter, inspect drive belt 3=replace transmission fluid on page 313 of the 2008 honda accord owners manual I'm at something like 26k miles and b123 showed up.
The b123 service is one of the more comprehensive regular services recommended by honda usa.
I know most of the listed services are for preventive measure. Service b123 indicates that your model needs the 30k or around 30k and some models 40k,50k, or 60k mileage service done in most all honda's when this light or message comes up like this here.this is usually the engine oil changed as well as the cabin filter and engine air filter replaced and can cost around $300 to $450 to have the full service. Dch paramus honda 120 route 4 paramus, nj 07652 I know most of the listed services are for preventive measure.