DTC P2195, DTC P2196, DTC P2197 & DTC P2198: Notes
WARNING: This page is about a different car, the 2003 Toyota 4Runner. However, it is still accessible from the selected car via links, so may be relevant.
Code Definition
- DTC P2195: Oxygen Sensor Signal Stuck Lean (Bank 1 Sensor 1)
- DTC P2196: Oxygen Sensor Signal Stuck Rich (Bank 1 Sensor 1)
- DTC P2197: Oxygen Sensor Signal Stuck Lean (Bank 2 Sensor 1)
- DTC P2198: Oxygen Sensor Signal Stuck Rich (Bank 2 Sensor 1)
NOTE:
This DTC may be caused by the vehicle running out of fuel.
CAUTION:
If Engine Control Module (ECM) replacement is instructed in following test, always ensure ECM electrical connectors and ground circuits are okay. If either are defective, repair and repeat testing to confirm ECM malfunction. On models equipped with engine immobilizer, if ECM is replaced, ECM must be programmed with proper ignition key code for engine immobilizer system. For programming procedures, see COMPUTER RELEARN PROCEDURES article in GENERAL INFORMATION, or appropriate ENGINE IMMOBILIZER SYSTEMS article in ACCESSORIES & EQUIPMENT.