Volvo V40 (1996–2004) – Gas Distribution Module (GDM) fault codes

7 fault codes

The same fault code can mean different things depending on model year and engine. Each meaning is therefore shown on its own row, with exactly which cars it applies to.

Code	Meaning	Applies to
GDM-0001	Speed signal. Faulty signal2001–2004	2001–2004
GDM-0002	Headlamp range adjustment signal. Faulty signal2001–2004	2001–2004
GDM-0003	Angle sensor. Faulty signal2001–2004	2001–2004
GDM-0005	Control module. Signal too high2001–2004	2001–2004
GDM-0006	Control module. Not calibrated2001–2004	2001–2004
GDM-0007	Control module. Programming error2001–2004	2001–2004
GDM-0008	Control module. Internal fault2001–2004	2001–2004

All control modules for the Volvo V40 (1996–2004)