Some 4-cylinder vehicles may illuminate the check engine light and set diagnostic trouble codes P1130, P1135, P1150, P1155, P0171 and / or P0174 when operated below 30 degrees f. *tt
Related OBD-II Error Codes
Vehicles impacted by this bulletin may show the following OBD DTC.
P1135 [1] Lack Of HO2S Switch - Adaptive Fuel At Limit
P1155 [1] Lack Of HO2S21 Switch - Adaptive Fuel At Limit