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Home >> Saab >> 2005 >> 9-5 Linear, Standard >> Repair and Diagnosis >> Engine Performance >> TRIONIC T7 Fuel Control System, 4-CYL. >> Fault Diagnosis, Fault Codes >> 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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