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Home >> GMC >> 2003 >> Safari Van Cargo, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 220 (Automatic Transaxle Diagnosis - 4T65-E) >> Self-Diagnostic System >> Diagnostic System Check >> Circuit Description

Circuit Description

WARNING: This page is about a different car, the 2003 Buick Regal and 2003 Buick Century. However, it is still accessible from the selected car via links, so may be relevant.

The diagnostic system check is an organized approach to identify a problem condition created by an automatic transaxle. The diagnostic system check is the diagnostic starting point for an automatic transaxle complaint. The diagnostic system check directs you to the next logical step for diagnosing a transaxle concern. Perform this check only if there is a driveability complaint or if you have been directed here from another service information section.

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