Step by step how to check what maintenance codes mean on your 2018 2019 2020 2021 2022 Honda CRV. In this case the code is B1. This process may vary depending on what trim level and year your CRV is.
Honda uses a Maintenance Minder system with alphanumeric codes to indicate specific service needs for your vehicle. Here's a list of some common Honda maintenance codes:
A: Replace engine oil
B: Replace engine oil and oil filter, inspect various systems
1: Rotate tires
2: Replace air cleaner element, replace dust and pollen filter, inspect drive belt
3: Replace transmission fluid and transfer fluid (if equipped)
4: Replace spark plugs
5: Replace engine coolant
6: Replace rear differential fluid (if equipped)
7: Replace brake fluid