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 MANUALSCHEVROLET1998CAMARO SS, 2D COUPE, STANDARDREPAIR AND DIAGNOSIS (SINGLE PAGE)ACCESSORIES & EQUIPMENTANTI-THEFT SYSTEMSANTI-THEFT SYSTEMPROGRAMMINGREPLACING IGNITION KEYDETERMINING BCM PROGRAMMED KEY CODE
1998 Chevrolet Camaro SS, 2D Coupe, Standard
Determining BCM Programmed Key Code
1998 Chevrolet Camaro SS, 2D Coupe, StandardSECTION Determining BCM Programmed Key Code
To determine unknown BCM key code, PASS-Key II(R) Interrogator (J 35628-A) and following procedure.
- Connect PASS-Key II(R) Interrogator (J 35628-A) wiring to PASS-KEY II(R) dash connector at base of steering column. DO NOT connect to steering column wiring.
- Turn on PASS-Key II(R) 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 II(R) 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 II(R) KEY RESISTANCE table.
PASS-Key II(R) 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.