Symptom:
ABS C AN ME SSAG E MI SSI NG
Wh e n Mo n i to re d a n d S e t Co n d it i o n :
ABS C AN ME SSAGE MI S SING
Wh en Mon it or ed: CAN Bu s Cir cuit er ror n ot pr esen t, 1 second a ft er ign it ion on a n d n ot
in P a rk or Neu tr al, n o System Overvolt a ge or Syst em U n dervolt a ge con dit ion s pr esen t, or
tr a nsm ission in P a r k or Neu tr a l an d en gin e RP M gr ea ter th a n 850 RP M
Set Con dit ion : Th is DTC is set wh en a CAN ID wa s n ot r eceived in t h e r equ ired t im e a r e
not bein g sen t fr om th e ABS Con t roller. NOTE: Th e ABS cont r oller is power ed by th e ru n
only ign it ion feed. Th is mea ns t h at t his DTC will be set if t h e key is pla ced in t he st ar t
posit ion wit h t he tr a nsm ission in gea r or if in P a rk or Neu tr a l a n d th e en gin e RP M is
gre a ter than 85 0 R PM .
POSSIBLE CAUSES
CAN BU S CIRCUIT DTC PRE SE N T
CAN BU S +/- CIRCUIT OP E N
ABS DTCS P RE SE NT
ABS - CAN ME SSAGE MISSING
TCM - CAN ME SSAGE MISSING
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
36
TRANSMISSION - NAG1
To Next Page
Loading...
