Dodge Sprinter 2006 - Page 2267

Symptom:
SYS TEM OVERVOLTAGE
Wh e n Mo n i to re d a n d S e t Co n d it i o n :
SYS TEM OVERVOLTAGE
Wh en Mon it or ed: Alwa ys m on it or ed wit h syst em a ct ive a t ea ch ign ition cycle
Set Con dit ion: Ign ition volt age above 16.9 volt s wit h t h e en gine a nd tr a nsm ission in pu t
speed sensor s a bove 2000 r pm for 60 secon ds
POSSIBLE CAUSES
VEH ICLE J UMP STARTE D IMP ROP E RLY
ENGINE CH ARGING SYSTE M DTC’S P RESE NT
TRANSMISSION RE LAY OUTP UT HIGH AT TCM
TCM - SYSTE M OVE RVOLTAGE
TE S T ACTION AP PLICAB ILITY
1 NOTE: Low fluid level can be the cause of many transmission problems. If
the fluid level is low locate and repair the leak then check and adjust the
flui d lev el p er t h e s e r vi c e i n fo r m a ti o n .
NOTE: Always perform diagnostics with a fully charged battery to avoid
fa ls e s y m p t o m s .
Wit h t h e DRBIII#, r ea d t h e en gin e DTCs. Ch eck a n d r epa ir all en gin e DTCs pr ior to
per for m in g t r a n sm ission sympt om dia gnost ics.
Wit h th e DRBIII#, r ea d a n d recor d a ll Tra n sm ission DTCs.
NOTE: Ch e c k c o n n e c to rs - Cle a n /re pa i r a s n e c e s s a ry. P o o r p in to te rm in a l
connections can set DTCs.
Usin g t h e wir in g dia gr a m /schem a t ic a s a gu ide, in spect t he wir in g a n d con n ect or s.
Repa ir a s n ecessa r y.
Most DTCs set on st a r t up bu t som e m u st be set by dr iving th e veh icle su ch t h a t a ll
dia gnost ic m on itor s h a ve r u n .
Note: Verify flash level of transmission controller. Some problems are
corrected by software upgrades to the transmission controller.
NOTE: Ch e c k fo r a n y Te ch n ic a l S e rv ic e B u lle t in s th at m a y ap p ly.
Per for m t h is pr ocedu r e pr ior to Sym pt om dia gn osis.
All
Con t in u e
Go To 2
2 Det er m in e is t h e veh icle wa s ju m p st a r t ed im pr oper ly.
NOTE: If the battery was jump started with the batteries in series, the
System Overvoltage DTC will be set.
Wa s t h e veh icle ju m p sta r t ed im pr oper ly?
All
Ye s → Er a se th e DTC , if t h e veh icle wa s ju m p st a r t ed im pr oper ly.
Per for m N AG1 TRAN SMISSION VE RIF ICATION TE ST - VER 1.
No → Go To 3
107
TRANSMISSION - NAG1