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.
2020 Jeep Gladiator Altitude, Automatic TransFACTORY 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 |
| B1058-12 | RECIRCULATION DOOR CONTROL-CIRCUIT SHORT TO BATTERY |
| B1058-13 | RECIRCULATION DOOR CONTROL-CIRCUIT OPEN |
| B1058-92 | RECIRCULATION DOOR CONTROL-PERFORMANCE OR INCORRECT OPERATION |
| B105C-00 | RECIRCULATION DOOR TRAVEL RANGE TOO SMALL- |
| B105D-00 | RECIRCULATION DOOR TRAVEL RANGE TOO LARGE- |
| B106A-01 | REAR DEFROST EBL CONTROL CIRCUIT-GENERAL ELECTRICAL FAILURE |
| B10B2-00 | AC COOL DOWN TEST PERFORMANCE- |
| B10E8-12 | BLOWER MOTOR CONTROL-CIRCUIT SHORT TO BATTERY |
| B10E8-14 | BLOWER MOTOR CONTROL-CIRCUIT SHORT TO GROUND OR OPEN |
| B10EB-00 | BLOWER POWER MODULE |
| 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 |
| B11C2-12 | FRONT MODE DOOR 1 CONTROL-CIRCUIT SHORT TO BATTERY |
| 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- |
| B11C8-11 | RIGHT TEMPERATURE DOOR CONTROL-CIRCUIT SHORT TO GROUND |
| B11C8-12 | RIGHT TEMPERATURE DOOR CONTROL-CIRCUIT SHORT TO BATTERY |
| B11C8-13 | RIGHT TEMPERATURE DOOR CONTROL-CIRCUIT OPEN |
| B11C8-92 | RIGHT TEMPERATURE DOOR CONTROL-PERFORMANCE OR INCORRECT OPERATION |
| B11C9-00 | RIGHT TEMPERATURE DOOR TRAVEL TOO SMALL- |
| B11CA-00 | RIGHT TEMPERATURE DOOR TRAVEL TOO LARGE- |
| B11CB-11 | MAIN-LEFT TEMPERATURE DOOR 1 CONTROL-CIRCUIT SHORT TO GROUND |
| B11CB-12 | MAIN-LEFT TEMPERATURE DOOR 1 CONTROL-CIRCUIT SHORT TO BATTERY |
| B11CB-13 | MAIN-LEFT TEMPERATURE DOOR 1 CONTROL-CIRCUIT OPEN |
| B11CB-92 | MAIN-LEFT TEMPERATURE DOOR 1 CONTROL-PERFORMANCE OR INCORRECT OPERATION |
| B11CC-00 | MAIN-LEFT TEMPERATURE DOOR 1 TRAVEL TOO SMALL- |
| B11CD-00 | MAIN-LEFT TEMPERATURE DOOR 1 TRAVEL TOO LARGE- |
| B11D3-00 | AC COOL DOWN TEST PERFORMANCE - COMPRESSOR CLUTCH NOT ENGAGED- |
| B11D5-00 | AC COOL DOWN TEST PERFORMANCE - EVAP TEMP SENOR 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 |
| B11FE-11 | VARIABLE AC COMPRESSOR CONTROL-CIRCUIT SHORT TO GROUND |
| B11FE-12 | VARIABLE AC COMPRESSOR CONTROL-CIRCUIT SHORT TO BATTERY |
| B11FE-13 | VARIABLE AC COMPRESSOR CONTROL-CIRCUIT 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 |
| B2111-16 | 5 VOLT SUPPLY-CIRCUIT VOLTAGE BELOW THRESHOLD |
| B2111-17 | 5 VOLT SUPPLY-CIRCUIT VOLTAGE ABOVE THRESHOLD |
| B2199-16 | BATTERY VOLTAGE-CIRCUIT VOLTAGE BELOW THRESHOLD |
| B2199-17 | BATTERY VOLTAGE-CIRCUIT VOLTAGE ABOVE THRESHOLD |
| B21DD-84 | SYSTEM VOLTAGE-SIGNAL BELOW ALLOWABLE RANGE |
| B21DD-85 | SYSTEM VOLTAGE-SIGNAL ABOVE ALLOWABLE RANGE |
| B222A-00 | VEHICLE LINE MISMATCH |
| B22A9-00 | ECU INTERNAL PERFORMANCE |
| U0010-00 | CAN INTERIOR BUS |
| U0011-00 | CAN INTERIOR BUS OFF PERFORMANCE |
| U0140-00 | LOST COMMUNICATION WITH BODY CONTROL MODULE |
| U0184-00 | LOST COMMUNICATION WITH RADIO |
| U0422-00 | IMPLAUSIBLE DATA RECEIVED FROM BODY CONTROL MODULE |
| U0485-00 | IMPLAUSIBLE DATA RECEIVED FROM RADIO |
| U11B8-00 | LOST COMMUNICATION WITH INTEGRATED CENTER STACK (ICS) |
| U1480-00 | IMPLAUSIBLE DATA RECEIVED FROM INTEGRATED CENTER STACK |
Factory Service Tools
Use the Manual With the Right Hardware
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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.