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Home >> GMC >> 2000 >> Savana G2500, Van Cargo Extended, 5.0 M >> Repair and Diagnosis >> External Pages >> Different car >> Section 259 (Engine Controls - Self-Diagnostics) >> Diagnostic Tests >> DTC P1633: Improper Ignition 0 Input >> Diagnostic Procedures

Diagnostic Procedures

WARNING: This page is about a different car, the 2003 Oldsmobile Aurora. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: DTC P1633: Improper Ignition 0 Input
G00248747Courtesy of GENERAL MOTORS CORP.
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