DTC P183C GMC

Invalid Data Received from Brake ECU (Hybrid)

Invalid Data Received from Brake ECU (Hybrid)

Description

CAUTION: Hybrid systems use very high-voltage battery systems. Before starting any service work involving the battery system, turn the ignition switch OFF and then remove the service plug from pocket in the trunk. After removing the service plug, wait 10 minutes before touching any of the high-voltage connectors and terminals. SUM data on CAN signal of OBD (emission related diagnosis) from brake ECU is different from SUM data calculated by ECM.

Cause and Solution

Harness or connectors - HEV SYSTEM CAN communication line is open or shorted ECM Brake ECU

Video Guide

Duration: PT4M18S | Uploaded: 2020-06-20

Diagnostic Info

  • DTC Code: P183C
  • Brand: GMC
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