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.
2024 Jeep Wagoneer L Series II, RWDFACTORY OEM SERVICE PROCEDURE
DTC Index (1 Of 3): HVAC-R
DIAGNOSTIC CODE INDEX
| DTC | Description |
|---|---|
| B1052-12 | REAR BLEND/TEMPERATURE DOOR CONTROL-CIRCUIT SHORT TO BATTERY |
| B1052-14 | REAR BLEND/TEMPERATURE DOOR CONTROL-CIRCUIT SHORT TO GROUND OR OPEN |
| B1052-92 | REAR BLEND/TEMPERATURE DOOR CONTROL-PERFORMANCE OR INCORRECT OPERATION |
| B1053-12 | 2ND ROW BLEND/TEMPERATURE DOOR 2 CONTROL-CIRCUIT SHORT TO BATTERY |
| B1053-14 | 2ND ROW BLEND/TEMPERATURE DOOR 2 CONTROL-CIRCUIT SHORT TO GROUND OR OPEN |
| B1053-77 | 2ND ROW BLEND/TEMPERATURE DOOR 2 CONTROL-COMMANDED POSITION NOT REACHABLE |
| B1053-92 | 2ND ROW BLEND/TEMPERATURE DOOR 2 CONTROL-PERFORMANCE OR INCORRECT OPERATION |
| B1056-00 | REAR BLEND/TEMPERATURE DOOR TRAVEL RANGE TOO SMALL |
| B1057-00 | REAR BLEND/TEMPERATURE DOOR TRAVEL RANGE TOO LARGE |
| B108B-11 | LEFT REAR PANEL DUCT TEMPERATURE SENSOR-CIRCUIT SHORT TO GROUND |
| B108B-15 | LEFT REAR PANEL DUCT TEMPERATURE SENSOR-CIRCUIT SHORT TO BATTERY OR OPEN |
| B108C-11 | RIGHT REAR PANEL DUCT TEMPERATURE SENSOR-CIRCUIT SHORT TO GROUND |
| B108C-15 | RIGHT REAR PANEL DUCT TEMPERATURE SENSOR-CIRCUIT SHORT TO BATTERY OR OPEN |
| B10E8-11 | BLOWER MOTOR CONTROL-CIRCUIT SHORT TO GROUND |
| B10E8-12 | BLOWER MOTOR CONTROL-CIRCUIT SHORT TO BATTERY |
| B11F4-11 | MODE/TEMPERATURE DOOR FEEDBACK VOLTAGE REFERENCE-CIRCUIT SHORT TO GROUND |
| B11F4-12 | MODE/TEMPERATURE DOOR FEEDBACK VOLTAGE REFERENCE-CIRCUIT SHORT TO BATTERY |
| B2199-16 | BATTERY VOLTAGE-CIRCUIT VOLTAGE BELOW THRESHOLD |
| B2199-17 | BATTERY VOLTAGE-CIRCUIT VOLTAGE ABOVE THRESHOLD |
| B222A-00 | VEHICLE LINE MISMATCH |
| U0011-00 | CAN INTERIOR BUS OFF PERFORMANCE |
| U0140-00 | LOST COMMUNICATION WITH BODY CONTROL MODULE |
| U0164-00 | LOST COMMUNICATION WITH HVAC CONTROL MODULE |
| U0422-00 | IMPLAUSIBLE DATA RECEIVED FROM BODY CONTROL MODULE |
| U0424-00 | IMPLAUSIBLE DATA RECEIVED FROM HVAC CONTROL MODULE |
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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