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 MANUALSCHEVROLET2006SUBURBAN K2500, 6.0 UREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 830 (DATA COMMUNICATION SYSTEM)DIAGNOSTIC INFORMATION AND PROCEDURESDIAGNOSTIC CODE INDEX
2006 Chevrolet Suburban K2500, 6.0 U
Diagnostic Code Index
2006 Chevrolet Suburban K2500, 6.0 USECTION Diagnostic Code Index
WARNING: This page is about a different car, the 2007 Saturn Vue. However, it is still accessible from the selected car via links, so may be relevant.
DIAGNOSTIC CODE INDEX
| DTC | Description |
|---|---|
| DTC B1000 | Electronic Control Unit (ECU) Performance |
| DTC B1001 | Option Configuration Error |
| DTC U0073 | High Speed CAN Communication Bus |
| DTC U0100-U0299 | Lost Communication With XXXX Control Module |
| DTC U1000 | Class 2 Data Link Malfunction |
| DTC U1001-U1254 | Lost Communication With XXXX Control Module |
| DTC U1300, U1301, or U1305 | Class 2 Data Link |
| DTC U2100 | Controller Area Network (CAN) Bus Communication |
| DTC U2102 or U2103 | More/Fewer Controllers On Bus Than Programmed |
| DTC U2104 | Controller Area Network (CAN) Bus Reset Counter Overrun |
| DTC U2105-U2199 | Lost Communication With XXXX Control Module |
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.