OBD 9 diagnostic modes

Mode Service ID Description

MODE 1 $01 Request Power System Current Data

MODE 2 $02 Requests the freeze frame data of the powertrain

MODE 3 $03 Request for emission related power system diagnostic trouble code

MODE 4 $04 Clear/Reset Emission related diagnostic information

MODE 5 $05 Request oxygen sensor monitoring test results

MODE 6 $06 Request non-continuous monitoring system OBD test results

MODE 7 $07 Request continuous inspection system OBD test results

MODE 8 $08 Request to control in-vehicle systems, tests or parts

MODE 9 $09 Read vehicle and calibration identification number