DTC P0135, P0141, P0155 - Oxygen Sensor Related: Notes
CODE DEFINITION - DTC P01350, P0141, P0155
| CODE | DESCRIPTION |
|---|---|
| DTC P0135 | HEATED OXYGEN SENSOR CIRCUIT (BANK NO. 1, SENSOR NO. 1) |
| DTC P0141 | HEATED OXYGEN SENSOR CIRCUIT (BANK NO. 1, SENSOR NO. 2) |
| DTC P0155 | HEATED OXYGEN SENSOR CIRCUIT (BANK NO. 2, SENSOR NO. 1) |
NOTE:
Bank No. 1 refers to bank that includes cylinder No. 1. Bank No. 2 refers to bank without cylinder No. 1. Sensor No. 1 refers to sensor closest to engine block. Sensor No. 2 refers to sensor furthest away from engine block.
CAUTION:
If ECM replacement is instructed in following testing, always ensure ECM harness connector and ground circuit are okay. If either are suspect, repair and repeat testing to confirm ECM malfunction.