P0AFF OBD-II diagnostic trouble codes (DTCs). They all start with P0A, the first letter P designates they are powertrain

This code designates the powertrain diagnostic code range starting with P0A and is reserved by the OBD-II standard; it is not itself a fault code. The "P" indicates a powertrain system problem, while the "0A" prefix refers to hybrid and electric vehicle systems. Other codes with this prefix describe specific hybrid battery and electric motor issues.

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