GM Service Manual Online
For 1990-2009 cars only

DTC

Modules

DTC B0770

Electronic Transfer Case

DTC B0775

Electronic Transfer Case

DTC B0780

Electronic Transfer Case

DTC B0785

Electronic Transfer Case

DTC B0790

Electronic Transfer Case

DTC B2725

Electronic Transfer Case

DTC C0306

Electronic Transfer Case

DTC C0321

Electronic Transfer Case

DTC C0379

Electronic Transfer Case

DTC C0387

Electronic Transfer Case

DTC C0392

Electronic Transfer Case

DTC C0396

Electronic Transfer Case

DTC C0397

Electronic Transfer Case

DTC C0398

Electronic Transfer Case

DTC C0550

Electronic Transfer Case

DTC C0569

Electronic Transfer Case

DTC C0896

Electronic Transfer Case