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Spark LS, Standard Trans
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Section 34 (Cellular System, Entertainment System, And Navigation System)
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Diagnostic Information and Procedures
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OnStar Button Malfunction
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Diagnostic Fault Information
Diagnostic Fault Information
WARNING:
This page is about a different car, the 2019 Buick Cascada, 2018 Buick Cascada, and 2017 Buick Cascada. 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
10 V Reference
B2476 04
B2476 04
B2476 04
-
Signal Terminal 3
B2476 04
B2476 04
B2476 59
B2476 59, B2482 00
Ground
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B2476 04
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-