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Home >> GMC >> 1992 >> Forward Control 7.4 N >> Repair and Diagnosis >> External Pages >> Different car >> Section 71 (Engine Controls - Tests W/Codes - Body Control Computer) >> Diagnostic Procedure >> Clearing DTCS
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Clearing DTCS

WARNING: This page is about a different car, the 1995 Plymouth Voyager, 1995 Plymouth Grand Voyager, 1995 Dodge Grand Caravan, 1995 Dodge Caravan, and 1995 Chrysler Town & Country. However, it is still accessible from the selected car via links, so may be relevant.
CAUTION: When battery is disconnected, vehicle computer and memory systems may lose memory data. Driveability problems may exist until computer systems have completed a relearn cycle. See COMPUTER RELEARN PROCEDURES article in GENERAL INFORMATION section before disconnecting battery.

Diagnostic Trouble Codes (DTCs) can be cleared by disconnecting negative battery cable for at least 15 seconds, allowing computer system to clear trouble codes. DTCs can also be cleared using scan tool. See step 4) in ENTERING ON-BOARD DIAGNOSTICS  under DIAGNOSTIC PROCEDURE.