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 MANUALSJEEP2023GRAND CHEROKEE LAREDO X, AWDREPAIR AND DIAGNOSISGENERAL INFORMATIONOEM GENERAL INFORMATION(SECURITY GATEWAY MODULE (SGW) ELECTRICAL DIAGNOSTICS)
2023 Jeep Grand Cherokee Laredo X, AWD
(Security Gateway Module (SGW) Electrical Diagnostics)
2023 Jeep Grand Cherokee Laredo X, AWDSECTION (Security Gateway Module (SGW) Electrical Diagnostics)
- Diagnostic Code Index
- DTC Troubleshooting
- 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 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.