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Home >> Buick >> 2009 >> Allure CX >> Repair and Diagnosis >> Engine Performance >> System >> Data Communication System >> Diagnostic Information and Procedures >> DTC B1390 >> Diagnostic Fault Information

Diagnostic Fault Information

Circuit Short to Ground Open/High Resistance Short to Voltage Signal Performance
Battery Positive Voltage (BCM X1-51) B1390 B1390 - B1390
Battery Positive Voltage (BCM X1-52) B1390 B1390 - B1390
Ground (BCM X1-19) - B1390 - B1390
Ground (BCM X1-17) - B1390 - B1390