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Home >> Chrysler >> 2009 >> 300 Signature Series >> Repair and Diagnosis >> External Pages >> Different car >> Section 267 (DTCS P3442 To U1418, Checking For No Crank, No Response & Intermittent DTC) >> U0103-Lost Communication With Electric Gear Shift Module >> Possible Causes

Possible Causes

WARNING: This page is about a different car, the 2008 Dodge Magnum, 2008 Dodge Charger, and 2008 Chrysler 300. However, it is still accessible from the selected car via links, so may be relevant.
Possible Causes 
CAN C BUS OPEN OR SHORTED CONDITION
NO POWER TO ELECTRONIC GEAR SHIFT MODULE - MODULE UNPLUGGED OR OPEN FUSE
POWERTRAIN CONTROL MODULE (PCM)

Refer to  ELECTRONIC CONTROL MODULES - ELECTRICAL DIAGNOSTICS  article for diagnostic procedures and for further possible causes. 

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