FixVault

HVAC Module

HVAC MODULE DTC CHART

DTC Description Action
B1C83:11 Rear Defog Relay: Circuit Short to Ground GO to PINPOINT TEST K .
B1C83:13 Rear Defog Relay: Circuit Open GO to PINPOINT TEST J .
All other DTCs - REFER to CLIMATE CONTROL SYSTEM - GENERAL INFORMATION AND DIAGNOSTICS .