Flash: Powertrain Control Module (PCM) Updates This bulletin involves reprogramming the Powertrain Control...

Bulletin number

18-103-20

Component

Engine and engine cooling

Summary

Flash: Powertrain Control Module (PCM) Updates This bulletin involves reprogramming the Powertrain Control Module (PCM) with thelatest available software. The customer may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find one or more of the following Diagnostic Trouble Codes (DTCs).P0369 - Camshaft Position Sensor Intermittent - Bank 1 Sensor 2. P0335 - Crankshaft Position Sensor Circuit. P0339 - Crankshaft Position Sensor Intermittent. P0344 - Camshaft Position Sensor Intermittent. P0390 - Camshaft Position Sensor Circuit - Bank 2 Sensor 2. P0340 - Camshaft Position Sensor Circuit - Bank 1 Sensor 1. P0365 - Camshaft Position Sensor Circuit - Bank 1 Sensor 2. P0345 - Camshaft Position Sensor Circuit - Bank 2 Sensor 1. P0349 - Camshaft Position Sensor Intermittent - Bank 2 Sensor 1. P0394 - Camshaft Position Sensor Intermittent - Bank 2 Sensor 2. Customers may experience the following:Hard launch and an increase in engine RPM, when shifting from park to drive.(automatic transmission vehicles only). Engine RPM increase at startup and/or between shifts (manual transmission vehicles only).

Owners of these vehicles have filed 103 complaints in the engine category.