CHRYSLER, DODGE

18-052-15

2015-07-02 · NHTSA 10149664

A listed vehicle is a research lead. Confirm the engine, production range and software in the manufacturer's information.

Manufacturer summary

Original wording in English

Flash: 5.7L Powertrain Diagnostic And System Enhancements This bulletin involves reprogramming the Powertrain Control Module (PCM) with the latest available software. A small number of customers may experience one or more of the following symptoms or a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find one or more Dagnostic Trouble Codes (DTCs). ? DTC: U0140 - Lost Communication With Body Control Module (TIPM) stored in the Engine Control Module (ECM) memory (applies only to LC vehicles). ? DTC: P1621 - O2 Sensor Reference Voltage Circuit Low ? DTC: P1622 - O2 Sensor Reference Voltage Circuit High ? DTC: P0606 - Internal Control Processor ? DTC: P219A - Air-Fuel Ratio Cylinder Imbalance Bank 1 ? P0300 - Multiple Cylinder Misfire (applies only to vehicles using a block heater in ambient temperatures greater than -20°F (-29°C)) ? Technicians may find that the original vehicle Frequency Operated Button Integrated Key (FOBIK) does not function properly following replacement of the Wireless Ignition Node (WIN/WCM). The Secret Key information stored in the PCM may be corrupt. This update will restore the PCM?s ability to store/transfer valid Secret Key information (applies only to LC vehicles). ? Accuracy improvements for the Automatic Oil Change Indicator (AOCI) system.

Repeated filings are grouped only when make, bulletin number, publication date and complete summary agree. Original record numbers are retained. Older publications remain available, and an explicit later version is shown when established. Pre-1994 vehicle associations are separated from default results; an unspecified year does not mean all model years apply.