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 MANUALSJEEP2024GRAND CHEROKEE ALTITUDE X, RWDREPAIR AND DIAGNOSIS (SINGLE PAGE)ACCESSORIES & EQUIPMENTANTI-THEFT SYSTEMSSECURITY GATEWAY MODULE (SGW) - DIAGNOSTIC CODE INDEXDIAGNOSTIC CODE INDEX
2024 Jeep Grand Cherokee Altitude X, RWD
Diagnostic Code Index
2024 Jeep Grand Cherokee Altitude X, RWDSECTION Diagnostic Code Index
DIAGNOSTIC CODE INDEX
| DTC | Description |
|---|---|
| B2199-16 | BATTERY VOLTAGE-CIRCUIT VOLTAGE BELOW THRESHOLD |
| B2199-17 | BATTERY VOLTAGE-CIRCUIT VOLTAGE ABOVE THRESHOLD |
| B22A9-49 | ECU INTERNAL PERFORMANCE-INTERNAL ELECTRONIC FAILURE |
| B235A-00 | ECU IN-PLANT MODE- |
| C221C-00 | ECU NOT PROGRAMMED/FLASH REQUIRED- |
| U0001-00 | CAN C BUS- |
| U0002-00 | CAN C BUS OFF PERFORMANCE- |
| U0010-00 | CAN INTERIOR BUS- |
| U0011-00 | CAN INTERIOR BUS OFF PERFORMANCE |
| U0080-00 | ETHERNET BUS 1 |
| U0089-00 | ETHERNET BUS 2 |
| U0092-00 | ETHERNET BUS 3 |
| U009B-00 | U009B-00 ETHERNET BUS 4 |
| U102A-00 | HIGH SPEED FD-CAN1 COMMUNICATION BUS |
| U102B-00 | HIGH SPEED FD-CAN1 COMMUNICATION BUS PERFORMANCE |
| U104D-00 | HIGH SPEED FD-CAN2 COMMUNICATION BUS |
| U104E-00 | HIGH SPEED FD-CAN2 COMMUNICATION BUS PERFORMANCE |
| U1056-00 | HIGH SPEED FD-CAN3 COMMUNICATION BUS |
| U1057-00 | HIGH SPEED FD-CAN3 COMMUNICATION BUS PERFORMANCE |
| U1065-00 | HIGH SPEED FD-CAN8 COMMUNICATION BUS |
| U1066-00 | HIGH SPEED FD-CAN8 COMMUNICATION BUS PERFORMANCE |
| U106B-00 | HIGH SPEED FD-CAN11 COMMUNICATION BUS |
| U106C-00 | HIGH SPEED FD-CAN11 COMMUNICATION BUS PERFORMANCE- |
| U1282-00 | A/T CAN INTERIOR BUS |
| U1283-00 | A/T CAN INTERIOR BUS OFF PERFORMANCE |
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.