Glass, Frames And Mechanisms - HVAC Module DTC Chart
GLASS, FRAMES AND MECHANISMS - HVAC MODULE DIAGNOSTIC TROUBLE CODE (DTC) LIST
| DTC | Description | Action |
|---|---|---|
| B12BE | Heated Backlight/Mirror Relay Drive Circuit Shorted to Battery Voltage | If the rear window does not defrost, see PINPOINT TEST 6: THE DEFROST SYSTEM IS INOPERATIVE
. If the rear window defrost does not turn off, see PINPOINT TEST 7: THE DEFROST SYSTEM WILL NOT SHUT OFF AUTOMATICALLY . |
| B12BF | Heated Backlight/Mirror Relay Drive Circuit Open or Shorted to Ground | See PINPOINT TEST 6: THE DEFROST SYSTEM IS INOPERATIVE . |
| All other DTCs | - | See DIAGNOSTIC TROUBLE CODE (DTC) CHART - B, C AND U CODES . |