"Issue: the customer may observe a 'check engine malfunction indicator lamp (MIL)' in the instrument...

Bulletin number

SSM72556

Component

Electrical system: wiring

Summary

"issue: the customer may observe a 'check engine malfunction indicator lamp (mil)' in the instrument cluster. No driveability concerns are observed by the customer. One or more codes are stored in the PCM relating to the 'heated oxygen sensor (ho2s) - post catalyst - bank 1 (or bank 2) sensor 3' in the exhaust system. This issue only applies if the codes stored in the PCM are covered by the following list: p0142-00 o2 sensor circuit (bank 1 sensor 3) - no sub • type information • p0162-00 o2 sensor circuit (bank 2 sensor 3) - no sub type information p0042-00 ho2s heater control circuit (bank 1, sensor 3) - no sub type information • p0062-00 ho2s heater control circuit (bank 2, sensor 3) - no sub type information • • p0055-00 ho2s heater resistance (bank 1, sensor 3) - no sub type information • p0061-00 ho2s heater resistance (bank 2, sensor 3) - no sub type information cause: this is likely caused by a parts quality issue if: upon diagnosis, no fault is found with the wiring harness or connector having followed the diagnostic information and help text relating to the PCM codes as read by sdd."

Owners of these vehicles have filed 18 complaints in the electrical category.