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P1600 Diagnostic Trouble Code Discussion for April 2011

PCM Battery Backup Circuit Malfunction

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Trouble Ticket Help Requests for DTC P1600
Help Request Posted
1999 Hyundai Sonata GLS 2.5L Cuts out, MIL Lamp on VIN: KMHWF35V0X
P1600: Have no idea. ... this one with a P1600 code but my mitchell on demand does not list this code. tried several literatures but still no definition. Did anyone come across this code (P1600) on hyundai's. car drives fine, but customer says it shuts off intermittently. Never sh...
April 15, 2011