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 MANUALSCHEVROLET1999CAMARO BASE, 2D CONVERTIBLE, AUTOMATICREPAIR AND DIAGNOSISBODY & FRAMEDOOR LOCKSANTI-THEFT SYSTEMPROGRAMMINGREPLACING IGNITION KEYDETERMINING BCM PROGRAMMED KEY CODE
1999 Chevrolet Camaro Base, 2D Convertible, Automatic
Determining BCM Programmed Key Code
1999 Chevrolet Camaro Base, 2D Convertible, AutomaticSECTION Determining BCM Programmed Key Code
To determine unknown BCM key code, PASS-Key(R) II Interrogator (J 35628-A) and following procedure.
- Connect PASS-Key(R) II Interrogator (J 35628-A) wiring to PASS-Key(R) II dash connector at base of steering column. DO NOT connect to steering column wiring.
- Turn on PASS-Key(R) II Interrogator (J 35628-A) and move key code switch to "1" and attempt to start engine. If engine starts, key code is "1". If engine does not start, turn ignition off and press 4-minute timer on PASS-Key(R) II Interrogator (J 35628-A).
- When timer indicator light goes out, move key code switch to next number and attempt to start engine. If engine does not start, continue trying different key codes until proper key code is found. See PASS-Key(R) II KEY RESISTANCE table.
PASS-Key(R) II KEY RESISTANCE
| Key Code No. | Nominal Resistance (Ohms) | Acceptable Range (Ohms) |
|---|---|---|
| 1 | 402 | 386-438 |
| 2 | 523 | 502-564 |
| 3 | 681 | 654-728 |
| 4 | 887 | 852-942 |
| 5 | 1130 | 1085-1195 |
| 6 | 1470 | 1411-1549 |
| 7 | 1870 | 1795-1965 |
| 8 | 2370 | 2275-2485 |
| 9 | 3010 | 2890-3150 |
| 10 | 3740 | 3590-3910 |
| 11 | 4750 | 4650-4960 |
| 12 | 6040 | 5798-6302 |
| 13 | 7500 | 7200-7820 |
| 14 | 9530 | 9149-9931 |
| 15 | 11,800 | 11,328-12,292 |
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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.