Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
2021 Jeep Grand Cherokee TrackhawkFACTORY OEM SERVICE PROCEDURE
DTC Index: HVAC
DIAGNOSTIC CODE INDEX
| DTC | Description |
|---|---|
| B1030-11 | EVAPORATOR TEMPERATURE SENSOR - CIRCUIT SHORT TO GROUND |
| B1030-12 | EVAPORATOR TEMPERATURE SENSOR - CIRCUIT SHORT TO BATTERY |
| B1058-11 | RECIRCULATION DOOR CONTROL - CIRCUIT SHORT TO GROUND |
| B1058-13 | RECIRCULATION-DOOR-CONTROL-CIRCUIT-OPEN |
| B1058-92 | RECIRCULATION-DOOR-CONTROL-PERFORMANCE-OR-INCORECT-OPERATION |
| B105C-00 | RECIRCULATION-DOOR-TRAVEL-RANGE-TO-SMALL |
| B105D-00 | RECIRCULATION-DOOR-TRAVEL-RANGE-TOO-LARGE |
| B10B2-00 | A/C COOLDOWN TEST PERFORMANCE |
| B1107-11 | CABIN TEMPERATURE SENSOR 1 - CIRCUIT SHORT TO GROUND |
| B1107-12 | CABIN TEMPERATURE SENSOR 1 - CIRCUIT SHORT TO BATTERY |
| B11C2-11 | FRONT MODE DOOR 1 CONTROL - CIRCUIT SHORT TO GROUND |
| B11C2-13 | FRONT MODE DOOR 1 CONTROL - CIRCUIT OPEN |
| B11C2-92 | FRONT-MODE-DOOR-1-CONTROL-PERFORMANCE-OR-INCORRECT-OPERATION |
| B11C3-00 | FRONT-MODE-DOOR-1-TRAVEL-RANGE-TOO SMALL |
| B11C4-00 | FRONT MODE DOOR 1 TRAVEL RANGE TOO LARGE |
| B11C5-11 | FRONT-MODE-DOOR-2-CONTROL-CIRCUIT-SHORT-TO-GROUND |
| B11C5-13 | FRONT-MODE-DOOR-2-CONTROL-CIRCUIT-OPEN |
| B11C5-92 | FRONT-MODE-DOOR-2-CONTROL-PERFORFORMANCE-OR-INCORRECT-OPERATION |
| B11C6-00 | FRONT MODE DOOR-2 TRAVEL RANGE TOO SMALL |
| B11C7-00 | FRONT MODE DOOR-2 TRAVEL RANGE TOO LARGE |
| B11C8-11 | RIGHT-TEMPERATURE-DOOR-CONTROL-CIRCUIT-SHORT-TO-GROUND |
| B11C8-13 | RIGHT-TEMPERATURE-DOOR-CONTROL-CIRCUIT-OPEN |
| B11C8-92 | RIGHT-TEMPERATURE-DOOR-CONTROL-PERFORMANCE-INCORRECT-OPERATION |
| B11C9-00 | RIGHT TEMPERATURE DOOR TRAVEL TOO SMALL |
| B11CA-00 | RIGHT TEMPERATURE DOOR TRAVEL TOO LARGE |
| B11CB-11 | MAIN-LEFT-TEMPERATURE-DOOR-CONTROL-CIRCUIT-SHORT-TO-GROUND |
| B11CB-13 | MAIN-LEFT-TEMPERATURE-DOOR-CONTROL-CIRCUIT-OPEN |
| B11CB-92 | MAIN-LEFT-TEMPERATURE-DOOR-CONTROL-PERFORMANCE-OR-INCORRECT-OPERATION |
| B11CC-00 | MAIN/LEFT TEMPERATURE DOOR TRAVEL TOO SMALL |
| B11CD-00 | MAIN/LEFT TEMPERATURE DOOR TRAVEL TOO LARGE |
| B11D3-00 | A/C COOLDOWN TEST PERFORMANCE - COMPRESSOR NOT ENGAGED |
| B11D5-00 | A/C COOLDOWN TEST PERFORMANCE - EVAP TEMP SENSOR ERROR |
| B11F0-11 | LEFT FLOOR DUCT TEMPERATURE SENSOR - CIRCUIT SHORT TO GROUND |
| B11F0-15 | LEFT FLOOR DUCT TEMPERATURE SENSOR - CIRCUIT SHORT TO BATTERY OR OPEN |
| B11F1-11 | RIGHT FLOOR DUCT TEMPERATURE SENSOR - CIRCUIT SHORT TO GROUND |
| B11F1-15 | RIGHT FLOOR DUCT TEMPERATURE SENSOR - CIRCUIT SHORT TO BATTERY OR OPEN |
| B11F2-11 | LEFT PANEL DUCT TEMPERATURE SENSOR - CIRCUIT SHORT TO GROUND |
| B11F2-15 | LEFT PANEL DUCT TEMPERATURE SENSOR - CIRCUIT SHORT TO BATTERY OR OPEN |
| B11F3-11 | RIGHT PANEL DUCT TEMPERATURE SENSOR - CIRCUIT SHORT TO GROUND |
| B11F3-15 | RIGHT PANEL DUCT TEMPERATURE SENSOR - CIRCUIT SHORT TO BATTERY OR OPEN |
| B1600-11 | LEFT SOLAR SENSOR - CIRCUIT SHORT TO GROUND |
| B1600-12 | LEFT SOLAR SENSOR - CIRCUIT SHORT TO BATTERY |
| B1603-11 | RIGHT SOLAR SENSOR - CIRCUIT SHORT TO GROUND |
| B1603-12 | RIGHT SOLAR SENSOR - CIRCUIT SHORT TO BATTERY |
| B160F-11 | TWILIGHT/AMBIENT LIGHT SENSOR INPUT - CIRCUIT SHORT TO GROUND |
| B160F-12 | TWILIGHT/AMBIENT LIGHT SENSOR INPUT - CIRCUIT SHORT TO BATTERY |
| B210A-84 | SYSTEM-VOLTAGE-LOW-SIGNAL-BELOW |
| B210B-85 | SYSTEM-VOLTAGE-HIGH-SIGNAL-ABOVE |
| B210D-84 | BATTERY VOLTAGE LOW - SIGNAL BELOW ALLOWABLE RANGE |
| B210E-85 | BATTERY VOLTAGE HIGH - SIGNAL ABOVE ALLOWABLE RANGE |
| B222A-00 | VEHICLE LINE MISMATCH |
| U0140-00 | LOST COMMUNICATION WITH BODY CONTROL MODULE |
| U0184-00 | LOST COMMUNICATION WITH RADIO |
| U11B8-00 | LOST COMMUNICATION WITH INTEGRATED CENTER STACK (ICS) |
Factory Service Tools
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.
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