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Chevrolet
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1991
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K 3500 Truck 4WD V8-379 6.2L DSL
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Repair and Diagnosis
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A L L Diagnostic Trouble Codes ( DTC )
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Testing and Inspection
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Manufacturer Code Charts
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DTC 12
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Antilock Braking System (ABS) - Rear Wheel Antilock Brakes (RWAL)
Antilock Braking System (ABS) - Rear Wheel Antilock Brakes (RWAL)
Codes 1, 11, And 12, Electronic Control Unit Malfunction:
