GM Service Manual Online
For 1990-2009 cars only

Information on Vehicles with a Stored History DTC B1259 Antenna Ground Circuit

Subject:Information on Vehicles With a Stored History DTC B1259 Antenna Ground Circuit

Models:2006 Buick LaCrosse, Rainier, Rendezvous, Terraza
2006 Cadillac CTS, Escalade Models, SRX
2006 Chevrolet Avalanche, Colorado, Equinox, Silverado, Suburban, Tahoe, TrailBlazer Models, Uplander
2006 GMC Canyon, Envoy Models, Sierra, Yukon Models
2006 HUMMER H2, HUMMER H3
2006 Pontiac Grand Prix, Montana, Torrent, Vibe
2006 Saab 9-7X
with XM Radio (RPO U2K)



Technicians may find a stored history Diagnostic Trouble Code (DTC) B1259 Antenna Ground Circuit in the radio. If the XM radio is operating properly, the DTC may be stored due to a software anomaly and no repairs are necessary. If there is a customer concern with the operation of the radio and a current DTC B1259 is set, then follow the normal diagnostic procedures for DTC B1259.