GM Forum - Buick, Cadillac, Olds, GMC & Pontiac chat > GM Technical Discussion and Questions > OBD-I Troubleshooting

1. We need OBD 1 info
2. OBD 1 Codes - Generic
3. GM OBD 1 Paperclip test
4. The Dreaded OBD 1.5 Thread. Got a '94 or 95 PCM? Look Here!