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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
B+ 1 B393B 04 - -
Control B393B 04 B393B 04 B393B 0B -
1. Solenoid Valve Malfunction
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