Transponder Key - Dodge Sprinter 2006 Manual

VA
T RAN SPON DER K EY
DESCRIPTION
Th e Sen t r y Key Im m obilizer Syst em (SKIS) wh ich
com m u n ica t es wit h t h e Sen t r y Key Rem ot e E n t r y
Modu le (SKRE E M), u ses a t r a n spon der ch ip t h a t is
in t egr a l t o ea ch key fob (F ig. 6). Ign it ion keys a r e
su pplied wit h t h e veh icle wh en it is sh ipped fr om t h e
fa ct or y. Th e t r a n spon der ch ip is loca t ed wit h in t h e
Rem ot e Keyless E n t r y (RKE ) fob.
Fig. 6 TRANSPONDER KEY
1 - TRANSPONDER KEY FOB
2 - RKE BUTTONS
3 - INDICATOR LIGHT
4 - KEY BLADE RELEASE BUTTON
5 - KEY BLADE
OPERA TION
E a ch Sen t r y Key h a s a u n iqu e t r a n spon der iden t i-
fica t ion code per m a n en t ly pr ogr a m m ed in t o it by t h e
m a n u fa ct u r er. Likewise, t h e Sen t r y Key Rem ot e
E n t r y Modu le (SKRE E M) h a s a u n iqu e "Secr et Key
code pr ogr a m m ed in t o it by t h e m a n u fa ct u r er a s
well. Wh en a Sen t r y Key is pr ogr a m m ed in t o t h e
m em or y of t h e SKRE E M, t h e SKRE E M st or es t h e
t r a n spon der iden t ifica t ion code fr om t h e Sen t r y Key,
a n d t h e Sen t r y Key lea r n s t h e "Secr et Key" code
fr om t h e SKRE E M. On ce t h e Sen t r y Key lea r n s t h e
"Secr et Key" code of t h e SKRE E M, it is a lso per m a -
n en t ly pr ogr a m m ed in t o t h e t r a n spon der 's m em or y.
Th e Sen t r y Key's t r a n spon der is wit h in t h e r a n ge
of t h e SKRE E M's t r a n spon der r in g wh en it is
in ser t ed in t o t h e ign it ion lock cylin der. Wh en t h e
ign it ion swit ch is t u r n ed t o t h e ON posit ion , t h e
SKRE E M com m u n ica t es wit h t h e Sen t r y Key via a
r a dio fr equ en cy (RF ) sign a l. Th e SKRE E M det er-
m in es if a va lid key is pr esen t ba sed on t h e in for m a -
t ion it r eceives fr om t h e Sen t r y Key. If a va lid key is
det ect ed, t h a t fa ct is com m u n ica t ed t o t h e E n gin e
Con t r ol Modu le (E CM) via t h e Con t r oller Ar ea Net -
wor k (CAN) da t a bu s a n d t h e veh icle is a llowed t o
con t in u e r u n n in g. If a n in va lid key is r eceived by t h e
VEHICLE THEFT SECURITY 8Q - 5
E CM or n o st a t u s a t a ll is com m u n ica t ed, t h e veh icle
will st a ll a ft er t wo (2) secon ds of r u n n in g. Th e in di-
ca t or ligh t will be fla sh in g a t t h is poin t . Th e Sen t r y
Key's t r a n spon der ca n n ot be r epa ir ed. If it is fa u lt y
or da m a ged, it m u st be r epla ced.
Com m on com m u n ica t ion pr oblem s:
• Two t r a n spon der keys t oo close t oget h er.
• Speed P a ss t oo close t o t r a n spon der key.
Solid in dica t or t h a t t h er e is a syst em fa ilu r e.
• Loss of E CM com m u n ica t ion .
• F a iled t r a n spon der r in g cir cu it .