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Diagnostic Trouble Code Definitions

WARNING: This page is about a different car, the 2002 Pontiac Grand Am and 2002 Oldsmobile Alero. However, it is still accessible from the selected car via links, so may be relevant.
DIAGNOSTIC TROUBLE CODE DEFINITIONS

DTC (1) Description Perform Test
Cxxx Anti-Lock Brake Or Electronic Steering Controls (2)
P0562 Electrical System Voltage Low (3)
P0563 Electrical System Voltage High (3)
P0705 Transmission Range Switch Circuit (4)
P1554 Cruise Control Feedback Circuit DTC P1554 
P1585 Cruise Inhibit Circuit Improper Voltage DTC P1585 
Pxxx Powertrain Control Module Fault (5)
(1) Codes listed in this table are only for testing covered in this article. For complete DTC listings, see BODY CONTROL MODULES - ALERO & GRAND AM article and appropriate SELF-DIAGNOSTICS article in ENGINE PERFORMANCE.
(2) See appropriate ANTI-LOCK article in BRAKES or ELECTRONICS - VARIABLE EFFORT STEERING - ALERO & GRAND AM article in STEERING.
(3) See appropriate GENERATORS & REGULATORS article in STARTING & CHARGING SYSTEMS.
(4) See appropriate DIAGNOSIS article in AUTOMATIC TRANSMISSIONS.
(5) For powertrain control module diagnostic trouble code descriptions and testing procedures, see appropriate SELF-DIAGNOSTICS article in ENGINE PERFORMANCE.