GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Buick 🢒 2003 🢒 Park Avenue 🢒 HVAC 🢒 Heating, Ventilation and Air Conditioning 🢒 Diagnostic Trouble Code (DTC) List

DTC

Diagnostic Procedure

Modules

B1327

DTC B1327

ONS, VTD

B1982

DTC B1982

BCM, DDM, HCM, IPC, MSM

B1983

DTC B1983

BCM, DDM, HCM, IPC, MSM

B2348

DTC B2348

BCM

P0560

DTC P0560

PCM, TCM

P0620

DTC P0620

PCM