B2455  Cellular Phone Microphone Circuit OnStar®

B2462 Global Positioning System (GPS) Signal Error

B2470 Cellular Phone Antenna Circuit

B2476 Cellular Phone Select Service Switch Malfunction

B2482 Cellular Phone Select Switch Range/Performance

B2483 Global Positioning System (GPS) Sensor Circuit Low

B2484 Global Positioning System (GPS) Sensor Circuit Open

B1001 Option Configuration Error

B1004 Keep Alive Memory (KAM) Reset

B1007 EEPROM Write Error

B1009 EEPROM Checksum Mismatch

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Onstar Trouble Code List