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jeffrey590, Master Saab Technician
Category: Saab
Satisfied Customers: 2847
Experience:  ASE Master Technician , Saab Master Technician w/ 35 years Dealer Experience in Advanced Level Diag.
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Saab 9-3 Aero XWD: car asks to service xwd 08 9-3 saab, and

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car asks to service xwd 08 9-3 saab, and has the following computer codes: U2170-71, U2103-00 and U2142-00. Can you tell me hwat those codes mean?
GreetingsCustomer These 3 codes all have to do with the vehicles data bus communications. In other words, the vehicle computers cannot exchange data due to either a faulty component or a short/open circuit in the bus system. The XWD system will need to be interrogated with a Saab /GM TECH2 scanner to obtain the manufacturers specific communications data. A generic scan tool will not be able to read the necessary values to pinpoint the fault. If I can assist further or answer any further questions I will be happy to. Thank you, Jeffrey
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