DTC P0200 Hummer
LOST COMMUNICATION WITH TCM-BUS SIGNAL MESSAGE FAILURES
LOST COMMUNICATION WITH TCM-BUS SIGNAL MESSAGE FAILURES
Description
The purpose of the diagnostic is to monitor the transmitted messages on the CAN BUS and the validity of the CAN signals. The Electronic Shift Module (ESM) performs various internal tests to verify proper controller operation. This DTC indicates there is an issue with the communication with the Transmission Control module (TCM).
Cause and Solution
ELECTRONIC SHIFT MODULE (ESM)TRANSMISSION CONTROL MODULE (TCM)CAN BUS CIRCUITS OPEN OR SHORTED
Video Guide
Diagnostic Info
- DTC Code: P0200
- Brand: Hummer