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Different car
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Section 97 (Cellular System, Entertainment System, And Navigation System - Diagnostic Information And Procedures)
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Diagnostic Information and Procedures
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DTC B2455 (IO5/IO6/IOB)
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Diagnostic Fault Information
Diagnostic Fault Information
WARNING:
This page is about a different car, the 2018 Buick Regal TourX and 2018 Buick Regal. However, it is still accessible from the selected car via links, so may be relevant.
Circuit
Short to Ground
Open/High Resistance
Short to Voltage
Signal Performance
Microphone Signal
B2455 02
B2455 04
B2455 04
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Microphone Low Signal
B2455 02
B2455 04
B2455 04
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