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 C1500, 5.3 ZREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 1261 (KEYLESS ENTRY SYSTEM & REMOTE FUNCTIONS)DIAGNOSTIC INFORMATION AND PROCEDURESDIAGNOSTIC CODE INDEX
2006 Chevrolet Suburban C1500, 5.3 Z
Diagnostic Code Index
2006 Chevrolet Suburban C1500, 5.3 ZSECTION Diagnostic Code Index
WARNING: This page is about a different car, the 2008 Cadillac CTS. However, it is still accessible from the selected car via links, so may be relevant.
DIAGNOSTIC CODE INDEX
| DTC | Description |
|---|---|
| DTC B1008 | B1008 00: Calibration Data Not Programmed |
| DTC B2961 | B2961 02: Key In Ignition Circuit Short to Ground |
| DTC B3105 | B3105: Keyless Entry System Key Fobs Not Programmed |
| DTC B3109, B3110, B3111, or B3112 | B3109: Keyless Entry Transmitter 1 Low Battery B3110: Keyless Entry Transmitter 2 Low Battery B3111: Keyless Entry Transmitter 3 Low Battery B3112: Keyless Entry Transmitter 4 Low Battery |
| DTC B3119 | B3119 00: Keyless Entry Antenna 1 Performance - LF Door Antenna |
| DTC B3120 | B3120 00: Keyless Entry Antenna 2 Performance - RF Door Antenna |
| DTC B3121 | B3121 00: Keyless Entry Antenna 3 Performance - Rear Compartment Antenna |
| DTC B3122 | B3122 00: Keyless Entry Antenna 4 Performance - Console Active Antenna |
| DTC B3123 | B3123 00: Keyless Entry Antenna 5 Performance - Console Passive Antenna |
| DTC B3601 | B3601 01: Ignition Switch Key Capture Solenoid Circuit Short to Battery B3601 02: Ignition Switch Key Capture Solenoid Circuit Short to Ground |
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.