Corolla L4-1.8L (2ZR-FE) (2009)
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Oxygen Sensor: Customer Interest
Engine Controls - MIL ON/DTC's P2195/P0138/P0031
T-SB-0065-10
February 5, 2010
MIL "ON" DTC P2195, P0138, and/or P0031
Service Category
Engine/Hybrid System
Section
Engine Control
Market
USA
Applicability
Introduction
Some 2009 model year Corolla and Matrix vehicles may exhibit a MIL "ON" condition with one or more of the following Diagnostic Trouble Codes
(DTCs):
^
P2195 - Oxygen (A/F) Sensor Signal Stuck Lean (Bank 1 Sensor 1)
^
P0138 - Oxygen Sensor Circuit High Voltage (Bank 1 Sensor 2)
^
P0031 - Oxygen (A/F) Sensor Heater Control Low (Bank 1 Sensor 1)
The Engine Control Module/ECM (SAE term: Powertrain Control Module/PCM) logic has been modified to reduce the possibility of this condition
occurring. Use the following repair procedure to address this condition.
Warranty Information
APPLICABLE WARRANTY
^ This repair is covered under the Toyota Federal Emission Warranty. This warranty is in effect for 96 months or 80,000 miles, whichever occurs first,
from the vehicle's in-service date.
^ Warranty application is limited to occurrence of the specified condition described in this bulletin.