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.
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HOMESERVICE MANUALSJEEP2023CHEROKEE TRAILHAWKREPAIR AND DIAGNOSIS (SINGLE PAGE)QUICK LOOKUPSDTC INDEXDTC INDEX (1 OF 2)MODULE, GLOBAL TELEMATICS BOX
2023 Jeep Cherokee Trailhawk
Module, Global Telematics Box
2023 Jeep Cherokee TrailhawkSECTION Module, Global Telematics Box
DIAGNOSTIC CODE INDEX
| DTC | Description |
|---|---|
| B1401-11 | EMERGENCY CALL SPEAKER-CIRCUIT SHORT TO GROUND |
| B1401-12 | EMERGENCY CALL SPEAKER-CIRCUIT SHORT TO BATTERY |
| B1401-13 | EMERGENCY CALL SPEAKER-CIRCUIT OPEN |
| B1401-2B | EMERGENCY CALL SPEAKER-WIRES SHORTED TOGETHER |
| B143A-11 | MICROPHONE 1-CIRCUIT SHORT TO GROUND |
| B143A-12 | MICROPHONE 1-CIRCUIT SHORT TO BATTERY |
| B143A-13 | MICROPHONE 1-CIRCUIT OPEN |
| B143A-2B | MICROPHONE 1-WIRES SHORTED TOGETHER |
| B1552-11 | EMERGENCY CALL BUTTON-CIRCUIT SHORT TO GROUND |
| B1552-15 | EMERGENCY CALL BUTTON-CIRCUIT SHORT TO BATTERY OR OPEN |
| B1552-2A | EMERGENCY CALL BUTTON-STUCK |
| B1555-11 | EMERGENCY CALL BUTTON BACKLIGHT LED CONTROL-CIRCUIT SHORT TO GROUND |
| B1555-15 | EMERGENCY CALL BUTTON BACKLIGHT LED CONTROL-CIRCUIT SHORT TO BATTERY OR OPEN |
| B1556-11 | RED EMERGENCY CALL LED CONTROL-CIRCUIT SHORT TO GROUND |
| B1556-15 | RED EMERGENCY CALL LED CONTROL-CIRCUIT SHORT TO BATTERY OR OPEN |
| B1557-11 | GREEN EMERGENCY CALL LED CONTROL-CIRCUIT SHORT TO GROUND |
| B1557-15 | GREEN EMERGENCY CALL LED CONTROL-CIRCUIT SHORT TO BATTERY OR OPEN |
| B1560-11 | CELLULAR ANTENNA 1-CIRCUIT SHORT TO GROUND |
| B1560-13 | CELLULAR ANTENNA 1-CIRCUIT OPEN |
| B1561-11 | CELLULAR ANTENNA 2-CIRCUIT SHORT TO GROUND |
| B1561-13 | CELLULAR ANTENNA 2-CIRCUIT OPEN |
| B1562-14 | GPS ANTENNA-CIRCUIT SHORT TO GROUND OR OPEN |
| B1570-93 | USB COMMUNICATION-NO OPERATION |
| B1E21-16 | BACKUP BATTERY-CIRCUIT VOLTAGE BELOW THRESHOLD |
| B210A-00 | SYSTEM VOLTAGE LOW |
| B210B-00 | SYSTEM VOLTAGE HIGH |
| B210D-16 | BATTERY VOLTAGE LOW-CIRCUIT VOLTAGE BELOW THRESHOLD |
| B210E-17 | BATTERY VOLTAGE HIGH-CIRCUIT VOLTAGE ABOVE THRESHOLD |
| B2206-00 | CURRENT VIN MISSING-MISMATCH |
| B222C-00 | VEHICLE CONFIGURATION NOT PROGRAMMED |
| B22A9-00 | ECU INTERNAL PERFORMANCE |
| B22A9-04 | ECU INTERNAL PERFORMANCE-SYSTEM INTERNAL FAILURES |
| B22A9-96 | ECU INTERNAL PERFORMANCE-COMPONENT INTERNAL FAILURE |
| B273C-23 | DIGITAL CRASH INPUT-SIGNAL STUCK LOW |
| B273C-24 | DIGITAL CRASH INPUT-SIGNAL STUCK HIGH |
| B273C-87 | DIGITAL CRASH INPUT-MISSING MESSAGE |
| U0001-00 | CAN C BUS |
| U0002-00 | CAN C BUS OFF PERFORMANCE |
| U0010-00 | CAN INTERIOR BUS |
| U0011-00 | CAN INTERIOR BUS OFF PERFORMANCE |
| U0100-00 | LOST COMMUNICATION WITH ECM/PCM "A" |
| U0129-00 | LOST COMMUNICATION WITH BRAKE SYSTEM CONTROL MODULE |
| U0140-00 | LOST COMMUNICATION WITH BODY CONTROL MODULE |
| U0151-00 | LOST COMMUNICATION WITH OCCUPANT RESTRAINT CONTROLLER (ORC) |
| U0155-00 | LOST COMMUNICATION WITH CLUSTER-CCN |
| U0184-00 | LOST COMMUNICATION WITH RADIO |
| U0401-86 | IMPLAUSIBLE DATA RECEIVED FROM ECM/PCM "A"-SIGNAL INVALID |
| U0418-64 | IMPLAUSIBLE DATA RECEIVED FROM BRAKE SYSTEM CONTROL MODULE 1-SIGNAL PLAUSIBILITY FAILURE |
| U0418-86 | IMPLAUSIBLE DATA RECEIVED FROM BRAKE SYSTEM CONTROL MODULE 1-SIGNAL INVALID |
| U0422-00 | IMPLAUSIBLE DATA RECEIVED FROM BODY CONTROL MODULE |
| U0422-86 | IMPLAUSIBLE DATA RECEIVED FROM BODY CONTROL MODULE-SIGNAL INVALID |
| U0423-00 | IMPLAUSIBLE DATA RECEIVED FROM CLUSTER-CCN |
| U0423-86 | IMPLAUSIBLE DATA RECEIVED FROM CLUSTER/CCN-SIGNAL INVALID |
| U0452-00 | IMPLAUSIBLE DATA RECEIVED FROM RESTRAINTS CONTROL MODULE |
| U0452-64 | IMPLAUSIBLE DATA RECEIVED FROM RESTRAINTS CONTROL MODULE-SIGNAL PLAUSIBILITY FAILURE |
| U0452-86 | IMPLAUSIBLE DATA RECEIVED FROM RESTRAINTS CONTROL MODULE-SIGNAL INVALID |
| U0485-64 | IMPLAUSIBLE DATA RECEIVED FROM RADIO-SIGNAL PLAUSIBILITY FAILURE |
| U0485-86 | IMPLAUSIBLE DATA RECEIVED FROM RADIO-SIGNAL INVALID |
| U1930-86 | ECU OPERATIONAL MODE STATUS INTERNAL SIGNAL-SIGNAL INVALID |
| U1932-86 | OPERATIONAL MODE STATUS FROM BCM MISSING-SIGNAL INVALID |
| U1933-87 | INVALID DATA RECEIVED FROM BODY CONTROL MODULE BCM 1 MESSAGE-MISSING MESSAGE |
| U1934-87 | INVALID DATA RECEIVED FROM BODY CONTROL MODULE-BCM 1 & 2 MESSAGES-MISSING MESSAGES |
| U1952-83 | INVALID DATA RECEIVED FROM BRAKE CONTROL MODULE-BRAKE 1 CRC OR MESSAGE COUNTER ERROR-VALUE OF SIGNAL PROTECTION CALCULATION INCORRECT |
| U196A-83 | INVALID DATA RECEIVED FROM RESTRAINTS CONTROL MODULE-MESSAGE PLAUSIBILITY ERROR-VALUE OF SIGNAL PROTECTION CALCULATION INCORRECT |
| U3033-00 | CONTROL MODULE SECURITY CERTIFICATE MISSING/INVALID |
RENDER: 1.0x
NO RELATED
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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.