DTC Description / Detecting / Confirmation Procedure
WARNING: This page is about a different car, the 2007 Suzuki SX4. However, it is still accessible from the selected car via links, so may be relevant.
P0031, P0032
Refer to DTC P0031 / P0032: HO2S HEATER CONTROL CIRCUIT LOW / HIGH (SENSOR-1, BANK-1) .
P0037, P0038
Refer to DTC P0037 / P0038: HO2S HEATER CONTROL CIRCUIT LOW / HIGH (SENSOR-2, BANK-1) .