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Diagnostic Trouble Code Definitions

WARNING: This page is about a different car, the 2003 Cadillac CTS. However, it is still accessible from the selected car via links, so may be relevant.
DIAGNOSTIC TROUBLE CODE DEFINITIONS

DTC (1) Description
B1327  Battery/Source Voltage - Low
B1328  Battery/Source Voltage - High
B1513  Charging System Voltage Out-Of-Range - Low
B1514  Charging System Voltage Out-Of-Range - High
P0560  System Voltage
P0562  System Voltage - Low
P0563  System Voltage - High
P0625  Generator F-Terminal Circuit - Low
P0626  Generator F-Terminal Circuit - High
P2500  Low Signal Voltage On Generator Turn On Signal Circuit
P2501  High Signal Voltage On Generator Turn On Signal Circuit
(1) Codes listed in this table are only for testing covered in this article. For complete DTC listing, see BODY CONTROL MODULES - CTS article in ACCESSORIES & EQUIPMENT.