Testing Procedure
WARNING: This page is about a different car, the 1999 Buick Regal and 1999 Buick Century. However, it is still accessible from the selected car via links, so may be relevant.
- Perform DIAGNOSTIC SYSTEM CHECK . After performing diagnostic system check, go to next step.
- Connect scan tool to Data Link Connector (DLC). Turn ignition on. Run AUTOMATED TEST. If DTC C1262 resets, go to next step. If DTC C1262 does not reset, see INTERMITTENTS & POOR CONNECTIONS under DIAGNOSIS & TESTING.
- Replace EBTCM.