HVAC System - Manual - Diagnostic Trouble Codes
HVAC SYSTEM - MANUAL - DIAGNOSTIC TROUBLE CODES
| DTC | Description |
|---|---|
| DTC B0193 | Front Blower Motor Speed Circuit |
| DTC B0223, B0233, B023A, or B0408 | Recirculate Position Command/Air Flow Control Circuit/HVAC Actuators Supply Voltage/ Main Temperature Control Circuit |
| DTC B048D or B048E | Auxiliary Heater |
| DTC B3933 | Evaporator Temperature Sensor |
| DTC P0532 or P0533 | Refrigerant Pressure Sensor |
| DTC P0645, P0646, or P0647 | Compressor Clutch Relay |
| DTC P2519-P2521 | Compressor Clutch Relay |