HVAC System - Diagnostics
- Troubleshooting
- DTC B121A (49): An Open in the Mode Control Motor Circuit
- DTC B121B (4A): A Short in the Mode Control Motor Circuit
- DTC B121D (89): Humidity/In-Car Temperature Sensor Communication Error
- DTC B1220 (56): A Short in the Recirculation Control Motor Circuit
- DTC B1227 (05): An Open in the Outside Air Temperature Sensor Circuit
- DTC B1228 (06): A Short in the Outside Air Temperature Sensor Circuit
- DTC B1229 (07): An Open in the Sunlight Sensor Circuit
- DTC B1230 (08): A Short in the Sunlight Sensor Circuit
- DTC B1231 (09): An Open in the Evaporator Temperature Sensor Circuit
- DTC B1232 (0A): A Short in the Evaporator Temperature Sensor Circuit
- DTC B1233 (40): An Open in the Air Mix Control Motor Circuit (Driver's)
- DTC B1234 (41): A Short in the Air Mix Control Motor Circuit (Driver's)
- DTC B1235 (42): A Problem in the Air Mix Control Motor Circuit, Linkage, Door, or Motor (Driver's)
- DTC B1236 (43): An Open in the Passenger's Air Mix Control Motor Circuit
- DTC B1237 (44): A Short in the Passenger's Air Mix Control Motor Circuit
- DTC B1238 (45): A Problem in the Passenger's Air Mix Control Motor Circuit, Linkage, Door, or Motor
- DTC B1240 (4B): A Problem in the Mode Control Motor Circuit, Linkage, Door, or Motor
- DTC B1241 (59): A Problem in the Blower Motor Circuit
- DTC B2969: Climate Control Unit Lost Communication with MICU (WIPSW message)
- DTC B2983 (57): A Problem in the Recirculation Control Motor Circuit, Linkage, Door, or Motor
- DTC B2986 (55): An Open in the Recirculation Control Motor Circuit
- DTC U1280 (80): Communication Bus Line Error (BUS-OFF)
- DTC U128D (81): Lost Communication with Gauge Control Module (ECT message); DTC U128D (83): Climate Control Unit Lost Communication with Gauge Control Module (VSP message)
- DTC 1: An Open in the Air Mix Control Motor Circuit
- DTC 10: A Problem in the Blower Motor Circuit
- DTC 11: HVAC Control Unit Internal Error
- DTC 12: An Open in the Evaporator Temperature Sensor Circuit
- DTC 13: A Short in the Evaporator Temperature Sensor Circuit
- DTC 2: A Short in the Air Mix Control Motor Circuit
- DTC 3: A Problem in the Air Mix Control Motor Circuit, Linkage, Door, or Motor
- DTC 4: An Open in the Mode Control Motor Circuit
- DTC 5: A Short in the Mode Control Motor Circuit
- DTC 6: A Problem in the Mode Control Motor Circuit, Linkage, Door, or Motor
- DTC 7: An Open in the Recirculation Control Motor Circuit
- DTC 8: A Short in the Recirculation Control Motor Circuit
- DTC 9: A Problem in the Recirculation Control Motor Circuit, Linkage, Door, or Motor
- DTC C0: Climate Control Unit Internal Error