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Home >> Chrysler >> 2009 >> Sebring Base, 2D Convertible, ED3 >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 17 (Powertrain Control Module (Pcm) - Electrical Diagnostics - 62TE Automatic Transmission) >> DTC Troubleshooting >> P0726-Engine Speed Input Circuit Range/Performance >> Theory Of Operation

Theory Of Operation

WARNING: This page is about a different variant/trim than selected.

The PCM uses a dual port RAM internal to the controller to send the engine speed signal to the Transmission Control System. The calculated engine RPM is compared to a minimum and maximum value. If the PCM interprets this signal to be out of range when the engine is running the code is set. The MIL illuminates after 10 seconds of vehicle operation and the transmission system defaults to Limp-in mode.

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