U1817 Lost Communication With Hybrid Powertrain Control Module
WARNING: This page is about a different variant/trim than selected.
NOTE:
If the U0073 or U0074 DTCs are present (active or pending) in the HCP or BPCM, diagnose and repair those DTCs before continuing.
The COMMUNICATION DIAGNOSTIC PROCEDURE MUST be performed before replacing any component(s) or module(s). Perform the COMMUNICATION DIAGNOSTIC PROCEDURE. Refer to COMMUNICATION DIAGNOSTIC PROCEDURE .