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2001
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Tundra Access Cab SR5 4WD V6-3.4L (5VZ-FE)
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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 42
DTC 42
42 - Source Voltage Drop
"TOYOTA does not provide a diagnostic procedure for this trouble code".