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Home >> Chevrolet >> 1993 >> APV >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Tests W/Codes - V6 >> Self-Diagnostic Tests >> Code 26, Quad-Driver Circuit 3.8L >> Overview
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Code 26, Quad-Driver Circuit 3.8L: Overview

NOTE: Test number refers to number on diagnostic chart.

This determines if problem is circuit or component. Factory-installed PCM has an internal fuse and is unlikely to need replacement.

Fig 1: CODE 26, Flowchart, Quad Driver Circuit (3.8L)(2 of 2)
G91J07317