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Home >> Dodge and Ram >> 2018 >> Charger Pursuit, 5.7L Eng VIN T, 4WD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 32 ((Electronic Shift Module (ESM) - Electrical Diagnostics - 8HP70 Automatic Transmission)) >> DTC Troubleshooting >> U0074-00-Dedicated Powertrain (D-Pt) Can Bus Off >> Theory Of Operation

Theory Of Operation

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The Electronic Shift Module (ESM) communicates with other controllers on the Controller Area Network (CAN) Dedicated Powertrain (DPT) bus. If the ESM looses communication with the other modules on the CAN DPT bus, a Loss of Communication or CAN bus Off Diagnostic Trouble Code (DTC) sets.

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