This tutorial will help you diagnose a P0760: Shift Solenoid C Malfunction (OBD II) or Code 43: OD Shift Solenoid Circuit (OBD I) Transmission Diagnostic Trouble Code (DTC). OK, to make it as easy as possible to navigate this article, here are its contents at a quick glance: Symptoms Of A Bad Overdrive Shift Solenoid (DTC P0760). What Tools Do I Need? Circuit Descriptions of the Chrysler Transmission Solenoid Pack TEST 1: Overdrive Shift Solenoid Resistance Test Symptoms Of A Bad Overdrive Shift Solenoid (DTC P0760) When the Over-Drive Shift Solenoid (also known as Shift Solenoid C) fails, you're gonna' see two specific symptoms, these are: The check engine light (CEL) will be lit nice and bright on your Chrysler vehicle's instrument cluster and you'll have the following code: P0760: Over-Drive Solenoid Circuit Malfunction (OBD II equipped only).