HVAC System - Manual - Diagnostic Trouble Codes

HVAC SYSTEM - MANUAL - DIAGNOSTIC CODE INDEX

DTC	Description
DTC B0193	DTC B0193 01 Front Blower Motor Speed Circuit Short to Battery DTC B0193 06 Front Blower Motor Speed Circuit Low Voltage/Open
DTC B0223, B0233, B023A, or B0408	DTC B0223 01 Recirculate Position Command 1 Circuit Short to Battery DTC B0223 06 Recirculate Position Command 1 Circuit Low Voltage/Open DTC B0233 01 Air Flow Control Circuit Short to Battery DTC B0233 06 Air Flow Control Circuit Low Voltage/Open DTC B023A 02 HVAC Actuators Supply Voltage Short to Ground DTC B0408 01 Main Temperature Control Circuit Short to Battery DTC B0408 06 Main Temperature Control Circuit Low Voltage/Open
DTC B048D or B048E	DTC B048D 01 Auxiliary Heater Temperature Command Circuit Short to Battery DTC B048D 06 Auxiliary Heater Temperature Command Circuit Low Voltage/Open DTC B048E 00 Auxiliary Heater System Malfunction
DTC B3933	DTC B3933 02 Air Conditioning Evaporator Temperature Sensor Circuit Short to Ground DTC B3933 05 Air Conditioning Evaporator Temperature Sensor Circuit High Voltage/Open
DTC P0530, P0532, or P0533	DTC P0530 03 Air Conditioning (A/C) Refrigerant Pressure Sensor Circuit Low Voltage DTC P0530 07 Air Conditioning (A/C) Refrigerant Pressure Sensor Circuit High Voltage DTC P0532 00 Air Conditioning (A/C) Refrigerant Pressure Sensor Circuit Low Voltage DTC P0533 00 Air Conditioning (A/C) Refrigerant Pressure Sensor Circuit High Voltage
DTC P0645, P0646, or P0647	DTC P0645 Air Conditioning (A/C) Compressor Clutch Relay Control Circuit DTC P0646 Air Conditioning (A/C) Compressor Clutch Relay Control Circuit Low Voltage DTC P0647 Air Conditioning (A/C) Compressor Clutch Relay Control Circuit High Voltage
DTC P2519-P2521	DTC P2519 Air Conditioning (A/C) Compressor Clutch Relay Control Circuit DTC P2520 Air Conditioning (A/C) Compressor Clutch Relay Control Circuit Low Voltage DTC P2521 Air Conditioning (A/C) Compressor Clutch Relay Control Circuit High Voltage