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P1608 Diagnostic Trouble Code Discussion for September 2005

PCM Output Device Circuit Malfunction

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Trouble Ticket Help Requests for DTC P1608
Help Request Posted
1999 Volvo S80 T6 2.8L No Start VIN: YV1TS90D9X
P1608: Manufacturer Controlled Computer Circuit. ... System Service Urgent" light came on and engine died. At first no codes, but pending code for TPS. Tried several times to start, then it set the two codes P0121B (TPS Sensor) and the P1608 Mfr Controlled Computer output circuit. We specialize in Audi's...
September 08, 2005