IF YOU CONFIRM One or more of the following DTCs are present: * P0139 - HO2S2 (B1) (Heated oxygen sensor 2 circuit slow response) * P0159 - HO2S2 (B2) (Heated oxygen sensor 2 circuit slow response) NOTE: Do not replace O2 sensors for the DTCs above if the vehicle?s current ECM part number is in TABLE A on page 5. ACTION 1. Refer to step 6 in the SERVICE PROCEDURE to confirm this bulletin applies to the vehicle you are working on. Please see this bulletin for further details.
