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 C2500, 6.0 UREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 2050 (BATTERY, CHARGING SYSTEM AND STARTING SYSTEM)DIAGNOSTIC INFORMATION AND PROCEDURESDIAGNOSTIC CODE INDEX
2006 Chevrolet Suburban C2500, 6.0 U
Diagnostic Code Index
2006 Chevrolet Suburban C2500, 6.0 USECTION Diagnostic Code Index
WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2012 GMC Yukon XL, 2012 GMC Yukon, 2012 Chevrolet Tahoe, 2012 Chevrolet Suburban, and 2012 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.
DIAGNOSTIC CODE INDEX
| DTC | Description |
|---|---|
| DTC B1325, B1330, B1420, B1424, B1517, C0800, C0895, C0899, C0900, P0560, P0562, or P0563 | DTC B1325 03 Device Power Circuit Voltage Below Threshold DTC B1325 07 Device Power Circuit Voltage Above Threshold DTC B1330 03 Device Power 2 Circuit Voltage Below Threshold DTC B1420 00 Device Voltage 1 DTC B1424 00 Device Voltage Low DTC B1517 03 Battery Voltage Below Threshold DTC B1517 07 Battery Voltage Above Threshold DTC B1517 5A Battery Voltage Plausibility Failure DTC C0800 03 Device Power 1 Circuit Voltage Below Threshold DTC C0800 07 Device Power 1 Circuit Voltage Above Threshold DTC C0800 11 Device Power 1 Circuit High Input DTC C0800 0D Device Power 1 Circuit High Resistance DTC C0895 00 Device Voltage DTC C0899 00 Device Voltage Low DTC C0899 03 Device Voltage Low DTC C0900 00 Device Voltage High DTC P0560 System Voltage Low DTC P0562 System Voltage Low DTC P0563 System Voltage High |
| DTC B1516 | DTC B1516 08 Battery Current Sensor Performance Signal Invalid DTC B1516 66 Battery Current Sensor Performance Wrong Mounting Position |
| DTC B1527 | DTC B1527 00 High Parasitic Load Detected |
| DTC P0615 | DTC P0615 Starter Relay Control Circuit |
| DTC P0621 | DTC P0621 Generator L-Terminal Circuit |
| DTC P0622 | DTC P0622 Generator F-Terminal Circuit |
RENDER: 1.0x
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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.