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Home >> Chevrolet >> 1999 >> Venture Base, Van Cargo Extended >> Repair and Diagnosis >> External Pages >> Different car >> Section 9 (Engine Control System - Tests W/Codes) >> Self-Diagnostic System >> Diagnostic System >> Last Test Fail
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Last Test Fail

WARNING: This page is about a different car, the 1998 Pontiac Trans Sport, 1998 Oldsmobile Silhouette, and 1998 Chevrolet Venture. However, it is still accessible from the selected car via links, so may be relevant.

This selection will display only DTCs that have failed the last time the test ran. The last test may have ran during the previous ignition cycle, if a type "A" or "B" DTC is displayed. For type "C" DTCs, the last failure must have occurred during the current ignition cycle to be displayed as LAST TEST FAIL.

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