Diagnostic Trouble Code Definitions

WARNING: This page is about a different car, the 2003 Pontiac Grand Prix. However, it is still accessible from the selected car via links, so may be relevant.

DIAGNOSTIC TROUBLE CODE DEFINITIONS

DTC ⁽¹⁾

Description

P0560

Voltage Out-Of-Range

P0620

Fault Detection Circuit Malfunction

P1637

Output Driver Module Malfunction

⁽¹⁾	Codes listed in this table are only for testing covered in this article. For complete DTC listing, see appropriate BODY CONTROL MODULES article in ACCESSORIES & EQUIPMENT.