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 MANUALSCHEVROLET2006CHEVY EXPRESS G2500, VAN CARGO, 6.6 2REPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 1360 (KEYLESS ENTRY SYSTEM & REMOTE FUNCTIONS)DIAGNOSTIC INFORMATION AND PROCEDURESKEYLESS ENTRY SYSTEM INOPERATIVE (PASSIVE)DIAGNOSTIC FAULT INFORMATION
2006 Chevrolet Chevy Express G2500, Van Cargo, 6.6 2
Diagnostic Fault Information
2006 Chevrolet Chevy Express G2500, Van Cargo, 6.6 2SECTION Diagnostic Fault Information
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.
| Circuit | Short to Ground | Open/High Resistance | Short to Voltage | Signal Performance |
|---|---|---|---|---|
| Keyless Entry Antenna - Signal (4) | B3119 00 | B3119 00 | B3119 00 | - |
| Keyless Entry Antenna - Low Reference (4) | - | B3119 00 | - | - |
| Keyless Entry Antenna - Signal (5) | B3120 00 | B3120 00 | B3120 00 | - |
| Keyless Entry Antenna - Low Reference (5) | - | B3120 00 | - | - |
| Keyless Entry Antenna - Signal (3) | B3121 00 | B3121 00 | B3121 00 | - |
| Keyless Entry Antenna - Low Reference (3) | - | B3121 00 | - | - |
| Keyless Entry Antenna - Signal (2) | B3123 00 | B3123 00 | B3123 00 | - |
| Keyless Entry Antenna - Low Reference (2) | - | B3123 00 | - | - |
| Keyless Entry Active Antenna Supply Voltage | B3122 00 | B3123 00 | B3123 00 | - |
| Keyless Entry Active Antenna Data Signal | B3123 00 | B3123 00 | B3123 00 | - |
| Keyless Entry Active Antenna Clock Signal | B3123 00 | B3123 00 | B3123 00 | - |
| Keyless Entry Active Antenna Low Reference | - | B3123 00 | - | - |
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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.