DTC P0731-00: Gear 1 Incorrect Ratio: General Description
WARNING: This page is about a different variant/trim than selected.
The transmission Input Speed Sensor (ISS) value must be equal to Output Speed Sensor (OSS) value times the transmission current gear position the operation value equal PCM operation value. For example output speed sensor value is 1000 rpm and 1st speed gear ratio is 4.8, then Input speed sensor value must be 4800 rpm.