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HVAC DTCS

HVAC DIAGNOSTIC TROUBLE CODE (DTC) IDENTIFICATION

DTC Description
DTC B1411/11 ROOM TEMPERATURE SENSOR CIRCUIT
DTC B1412/12 AMBIENT TEMPERATURE SENSOR CIRCUIT
DTC B1413/13 EVAPORATOR TEMPERATURE SENSOR CIRCUIT
DTC B1418/18 EMISSION GAS SENSOR CIRCUIT
DTC B1421/21 SOLAR SENSOR CIRCUIT (PASSENGER SIDE)
DTC B1422/22 COMPRESSOR LOCK SENSOR CIRCUIT
DTC B1423/23 PRESSURE SWITCH CIRCUIT
DTC B1424/24 SOLAR SENSOR CIRCUIT (DRIVER SIDE)
DTC B1431/31 AIR MIX DAMPER POSITION SENSOR CIRCUIT (PASSENGER SIDE)
DTC B1432/32 AIR INLET DAMPER POSITION SENSOR CIRCUIT
DTC B1433/33 AIR OUTLET DAMPER POSITION SENSOR CIRCUIT
DTC B1436/36 AIR MIX DAMPER POSITION SENSOR CIRCUIT (DRIVER SIDE)
DTC B1441/41 AIR MIX DAMPER CONTROL SERVOMOTOR CIRCUIT (PASSENGER SIDE)
DTC B1442/42 AIR INLET DAMPER CONTROL SERVOMOTOR CIRCUIT
DTC B1443/43 AIR OUTLET DAMPER CONTROL SERVOMOTOR CIRCUIT
DTC B1446/46 AIR MIX DAMPER CONTROL SERVOMOTOR CIRCUIT (DRIVER SIDE)
DTC B1499/99 MULTIPLEX COMMUNICATION CIRCUIT