TSB Document:

Affected Component: ELECTRICAL SYSTEM:SOFTWARE

Summary
Flash: Powertrain Control Module (PCM) Updates This bulletin involves reprogramming the PCM with the latest available software. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find the following Diagnostic Trouble Code (DTC) has been set:P0238-00 - Positive Boost Pressure Governor Deviation Low Pressure Signal Calculation Failure. Customer may also notice:Erratic engine idle. Premature alternator pulley failure. Other software enhancements include:Improvement to avoid soot formation in the intake system that can cause engine speed oscillation at idle. Improvement to the alternator strategy to prevent alternator pulley failure.

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Date Published
FEB 22, 2020
NHTSA TSB #
10173376
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