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Home >> Saab >> 2003 >> 9-3 Vector, Standard >> Repair and Diagnosis >> Engine Performance >> System >> TRIONIC T7 Fuel Control System >> Fault Diagnosis Fault Codes >> DTC P1623: No Bus Data From TCM. >> Diagnostic help

Diagnostic help

Fault diagnosis concerns an intermittent electrical fault in the power supply to the transmitting control module or any of the bus leads.

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