Automatic A/C-Heater Systems DTCS

AUTOMATIC A/C-HEATER SYSTEMS DIAGNOSTIC TROUBLE CODE (DTC) LIST

DTC	Description	Perform Test
B1242	Recirculation Door Actuator Short	C
B1251	In-Vehicle Temp. Sensor Circuit Open	D
B1253	In-Car Temp. Sensor Circuit Short To Ground	D
B1255	Ambient Air Temp. Sensor Open	F
B1257	Ambient Air Temp. Sensor Short To Ground	F
B1259	Sunload Sensor Open Circuit	G
B1261	Sunload Sensor Circuit Short To Ground	G
B1262	Defrost Door Actuator Circuit Failure	C
B1263	Panel Door Actuator Circuit Failure	C
B1264	Floor Door Actuator Circuit Failure	C
B1265	Cold Air By-Pass Door Actuator Circuit Failure	C
B1342	ECU Defective	Replace DATC Module
B1676	Battery Voltage Out Of Range	See TROUBLE SHOOTING in GENERATORS & REGULATORS article.
B1946	Evaporator Discharge Temp. Sensor Circuit Open	E
B1947	Evaporator Discharge Temp. Sensor Circuit Short To Ground	E
B1966	Driver Heater Core Discharge Temp. Sensor Circuit Open	E
B1967	Driver Heater Core Discharge Temp. Sensor Short Circuit	E
B2428	Passenger Heater Core Discharge Temp. Sensor Open Circuit	E
B2429	Passenger Heater Core Discharge Temp. Sensor Short Circuit	E
B2477	Module Configuration Failure	Configure Anti-Lock Brake System (ABS) Control Module. See COMPUTER RELEARN PROCEDURES article If Module Was Configured Correctly, Replace ABS Control Module And Repeat Self-Test
U1041	SCP Invalid Or Missing Data For Function Read Vehicle Speed	Using NGS Tester, Perform ABS Self-Test
U1073	SCP Invalid Or Missing Data For Engine Coolant	Using NGS Tester, Perform PCM Self-Test
U1178	SCP Invalid Or Missing Data For Voice Command	This Code Only Appears If Vehicle Is Equipped With Voice Command. Testing Information Is Not Available From Manufacturer.
U1222	SCP Invalid Or Missing Data For Interior Lamps	Repair Interior Lighting System Concern. See SELF-DIAGNOSTIC SYSTEM DTCS in AUTOLAMP SYSTEMS article.