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Home >> Mazda >> 2004 >> MX-5 Miata Base, Standard >> Repair and Diagnosis >> Engine Performance >> System >> On-Board Diagnostic (Engine Control System BP, BP With TC] >> DTC P1603: Key Id Numbers Unregistered In Pcm >> Notes

DTC P1603: Key Id Numbers Unregistered In Pcm: Notes

Fig 1: Possible Causes - DTC P1603 [BP, BP With TC]
G00992811Courtesy of MAZDA MOTORS CORP.