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GMC Truck
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1997
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S15/T15 Sonoma P/U 2WD V6-4.3L VIN W
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Repair and Diagnosis
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Brakes and Traction Control
>>
Antilock Brakes / Traction Control Systems
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Testing and Inspection
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Reading and Clearing Diagnostic Trouble Codes
>>
Displaying & Reading Trouble Codes
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Without Scan Tool
Without Scan Tool
Diagnostic Trouble Codes (
DTCs
) must be read with a scan tool. The scan tool is connected to the Data Link Connector (
DLC
) located under the steering column.