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.
SYS.OK|MANUAL.DB● LIVE
HOMESERVICE MANUALSCHEVROLET2008CHEVY EXPRESS G2500, VAN CARGO, 6.6 6REPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 1333 (KEYLESS ENTRY SYSTEM & REMOTE FUNCTIONS)DIAGNOSTIC INFORMATION AND PROCEDURESKEYLESS ENTRY SYSTEM INOPERATIVE (PASSIVE)DIAGNOSTIC FAULT INFORMATION
2008 Chevrolet Chevy Express G2500, Van Cargo, 6.6 6
Diagnostic Fault Information
2008 Chevrolet Chevy Express G2500, Van Cargo, 6.6 6SECTION Diagnostic Fault Information
WARNING: This page is about a different car, the 2008 Cadillac STS. 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 02 | B3119 05 | B3119 05 | - |
| Keyless Entry Antenna - Low Reference (4) | - | B3119 05 | - | - |
| Keyless Entry Antenna - Signal (5) | B3120 02 | B3120 05 | B3120 05 | - |
| Keyless Entry Antenna - Low Reference (5) | - | B3120 05 | - | - |
| Keyless Entry Antenna - Signal (3) | B3121 02 | B3121 05 | B3121 05 | - |
| Keyless Entry Antenna - Low Reference (3) | - | B3121 05 | - | - |
| Keyless Entry Antenna - Signal (2) | B3123 02 | B3123 04 | B3123 04 | - |
| Keyless Entry Antenna - Low Reference (2) | - | B3123 04 | - | - |
| Keyless Entry Antenna - Signal (1) | B3123 02 | B3123 04 | B3123 04 | - |
| Keyless Entry Antenna - Low Reference (1) | - | B3123 04 | - | - |
| Keyless Entry Active Antenna Supply Voltage | B3122 04 | B3122 04 | B3122 04 | - |
| Keyless Entry Active Antenna Data Signal | B3122 04 | B3122 04 | B3122 04 | - |
| Keyless Entry Active Antenna Clock Signal | B3122 04 | B3122 04 | B3122 04 | - |
| Keyless Entry Active Antenna Low Reference | - | B3122 04 | - | - |
RENDER: 1.0x
NO RELATED
Recommended Tools & Savings
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Affiliate disclosure: We may earn a commission at no extra cost to you.
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.