The Service Engine Soon Lamp On with Post Oxygen Sensor Faults Stored

Bulletin number

120613

Component

Engine and engine cooling

Summary

The Service Engine Soon Lamp On with Post Oxygen Sensor Faults Stored. The Service Engine Soon (MIL) lamp is on and the following faults are stored in the DME fault code memory. BN2000 (E-Series) vehicles: 2D22: Oxygen sensor downstream of catalytic converter, electric: open circuit BN2020 (F-Series) vehicles: 12AB04: Oxygen sensor downstream of catalytic converter, electric: open circuit 12AC04: Oxygen sensor downstream of catalytic converter 2, electric: open circuit These faults may occur sporadically after a long MSA engine stop. Unfavorable DME software diagnostics (fault is erroneous) This software error affects vehicles produced from 3/2013 to 6/2013, as well as older vehicles which have been programmed during service work to a current integration level of Xxxx-13-03-5xx.

Owners of these vehicles have filed 762 complaints in the engine category.