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Volvo
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1998
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V70 GLT L5-2.4L Turbo VIN 56 B5254T
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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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ECC / MCC / DTC Codes (Heating and Air Conditioning)
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ECC Code Charts
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ECC-420/421
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Internal Fault
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Intermittent Fault
Intermittent Fault
Intermittent Fault
Fault-tracing indicates that the ECC control module registered an internal fault previously but the fault is now no longer present.