ITB15022

IF YOU CONFIRM: The MIL is ON and any of the following DTCs are stored in the ECM: - P0037, P0038, P0057, P0058, P0139, P0159, P0141, P0161, P0137, P0157, P0138, P0158 ACTION: 1. Refer to step 6 in the SERVICE PROCEDURE to confirm if ECM reprogramming applies. 2. If it applies, reprogram the ECM. 3. Replace only the rear O2 sensor that relates to the stored DTC(s) (B1 and/or B2). NOTE: Do NOT replace both rear O2 sensors if the DTC(s) is for one rear O2 sensor. See this bulletin for further detail.