P1603 / VW

Internal Control Module Self Check

Notes:

P1603 / MAZDA

Immobilizer System Fault

Notes:

P1603 / JEEP

PCM INTERNAL DUAL PORT RAM COMMUNICATION FAILURE

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P1603 / FIAT

Control Unit Power Supply

Notes:

P1603 / BUICK

Loss Of SDM Serial Data

Notes:

P1603 / BMW

Control Module Self Test, Torque Monitoring

Notes:

P1603 / AUDI

Internal Control Module Malfunction

Notes: