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HVAC Module DTC Chart
Climate Control System
DTC Charts
HVAC Module DTC Chart
NOTE: This module utilizes a 5-character DTC followed by a 2-character failure type code. The failure type code provides information about specific fault conditions such as opens or shorts to ground. CMDTCs (Continuous Memory Diagnostic Trouble Codes) have an additional 2-character DTC status code suffix to assist in determining DTC history.
NOTE: Some PCM DTCs may inhibit A/C operation. If any PCM DTCs are retrieved, diagnose those first. Refer to the PCM DTC Chart. PCM DTC Chart
