GM Service Manual Online
For 1990-2009 cars only

DTC

Diagnostic Procedure

Module

DTC B1349

DTC B1349

Body Control Module

DTC B1560

DTC B1560, B1565, B1570, or B1575

Memory Seat Module

DTC B1565

DTC B1560, B1565, B1570, or B1575

Memory Seat Module

DTC B1570

DTC B1560, B1565, B1570, or B1575

Memory Seat Module

DTC B1575

DTC B1560, B1565, B1570, or B1575

Memory Seat Module

DTC B1580

DTC B1580, B1590, B1610, or B1620

Memory Seat Module

DTC B1590

DTC B1580, B1590, B1610, or B1620

Memory Seat Module

DTC B1600

DTC B1600, B1605, B1630, or B1635

Memory Seat Module

DTC B1605

DTC B1600, B1605, B1630, or B1635

Memory Seat Module

DTC B1610

DTC B1580, B1590, B1610, or B1620

Memory Seat Module

DTC B1620

DTC B1580, B1590, B1610, or B1620

Memory Seat Module

DTC B1630

DTC B1600, B1605, B1630, or B1635

Memory Seat Module

DTC B1635

DTC B1600, B1605, B1630, or B1635

Memory Seat Module

DTC B3069

DTC B3064 or B3069

Body Control Module

DTC B3270

DTC B3270

Body Control Module

DTC B3272

DTC B3272

Body Control Module