"Situation: the engine malfunction indicator lamp (MIL) may be illuminated with the following diagnostic...

Bulletin number

LTB00800NAS2

Component

Electrical system: software

Summary

"situation: the engine malfunction indicator lamp (mil) may be illuminated with the following diagnostic trouble codes (dtc) stored in the powertrain control module (PCM) and no hardware fault: • p011621: engine coolant temperature sensor 1 circuit range/performance (fault on start up after using block heater) • p011b22: engine coolant temperature / intake air temperature correlation (fault on start up after using block heater) • p013a00: o2 sensor slow response rich to lean (bank 1 and sensor 2) • p131500: persistent misfire • p030000: random misfire detected • p030100: cylinder 1 misfire detected • p030200: cylinder 2 misfire detected • p030300: cylinder 3 misfire detected • p030400: cylinder 4 misfire detected"

Owners of these vehicles have filed 7 complaints in the electrical category.