LEMON Manuals: Even more car manuals for everyone
Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 548 (Charging System) >> Diagnostic Tests >> DTC B1328: Device Power Circuit High >> Diagnostic Procedure

Diagnostic Procedure

WARNING: This page is about a different car, the 2003 GMC Sierra, 2003 GMC Cab & Chassis Sierra, 2003 Chevrolet Silverado, and 2003 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
  1. If engine electrical diagnostic system check was performed, go to next step. If engine electrical diagnostic system check was not performed, go to ENGINE ELECTRICAL DIAGNOSTIC SYSTEM CHECK  under ON-VEHICLE TESTING.
  2. Connect scan tool to Data Link Connector (DLC). See COMPONENT LOCATIONS  . Turn ON the ignition, with the engine OFF. With a scan tool, monitor the DTC Information for DTC B1328 in the affected module. If scan tool indicates DTC B1328 is current, go to step  4 . If not, go to next step.
  3. With a scan tool, monitor the DTC Information for DTC B1328 in the affected module. If scan tool indicates DTC B1328 is current, go to next step. If not, go to DIAGNOSTIC AIDS  .
  4. Replace the affected module. After replacement, reprogram module. See BODY CONTROL MODULES article in ACCESSORIES & EQUIPMENT. After repair are made, go to next step.
  5. Using scan tool, clear DTCs. Start engine. If DTC B1328 does not reset, system is okay. If DTC B1328 resets, go to step  2 .
scientia non olet · About LEMON Manuals