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Home >> Jeep >> 2021 >> Gladiator Mojave, Part Time T/Case Control, Automatic Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 123 ((Electronic Shift Module (ESM) - Electrical Diagnostics - 948TE)) >> DTC Troubleshooting >> U1817-00 - Lost Communication With Hybrid Powertrain Control Module On Dpt >> Possible Causes

Possible Causes

WARNING: This page is about a different car, the 2022 Chrysler Voyager and 2022 Chrysler Pacifica. However, it is still accessible from the selected car via links, so may be relevant.
Possible Causes
CAN EPT BUS CIRCUIT OPEN CIRCUIT
CAN EPT BUS CIRCUIT SHORTED TO GROUND
CAN EPT BUS CIRCUIT SHORTED TO VOLTAGE
ELECTRONIC SHIFT MODULE (ESM)
HYBRID CONTROL PROCESSOR (HCP/PIM)

Always perform the PRE-DIAGNOSTIC TROUBLESHOOTING before proceeding. Refer to  PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE   .