Diesel Data
: Automotive Repair
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Hyundai
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2005
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Elantra L4-2.0L
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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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P Code Charts
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P1801
P1801
DTC P1801 INVALID TRANSPONDER DATA
Steps 1-2:
Steps 3-4:
INSPECTION PROCEDURE
