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Home >> GMC >> 1991 >> Value Van 7.4 N >> Repair and Diagnosis >> External Pages >> Different car >> Section 80 (Engine Controls - Tests W/Codes - Body Control Computer) >> Self-Diagnostic Tests >> Test 1A - Trouble Codes

Test 1A - Trouble Codes

WARNING: This page is about a different car, the 1995 Dodge Dakota. However, it is still accessible from the selected car via links, so may be relevant.

Battery must be fully charged before proceeding. Use this diagnostic information only when instructed to by another diagnostic article. Display will fit 2 categories: scan tool failure message or BUS failure message. Connect scan tool to Data Link Connector (DLC) to read message. See TROUBLE CODES table and proceed to appropriate test. If scan tool screen is blank, go to TEST 2A.

TROUBLE CODES

Message Test No.
Scan Tool Failure Message
RAM TEST FAILURE 3A
CARTRIDGE ERROR 4A
KEY PAD TEST FAILURE 5A
LOW OR HIGH BATTERY 6A