No Communication With Ecm (Active) - Dodge Sprinter 2006 Manual

S y m p to m :
N O COMMU N ICATION WITH ECM (ACTIVE)
Wh e n Mo n ito re d a n d S e t Co n d itio n :
N O COMMU N ICATION WITH ECM (ACTIVE)
Wh en Mon it or ed: Wit h t h e ign it ion on .
Set Con dit ion : Th is DTC will set if t h e Au t om a t ic Tem per a t u r e Con t r ol (ATC) fa ils t o
r eceive a ll m essa ges fr om t h e E CM.
CAN C BUS CIRCUIT(S) SH ORTE D OR OP E N
E NGINE CONTROL MODULE DTC(S) P RE SE NT
E NGINE CONTROL MODULE 'S P OWE R/GROUND CIRCUIT(S) SH ORTE D OR OP E N
E NGINE CONTROL MODULE
CAN C BUS (+)/CAN C BUS (-) CIRCUIT(S) OP E N TO E NGINE CONTROL MODULE
AUTOMATIC TE MP E RATURE CONTROL (ATC)
CAN C BUS (+)/CAN C BUS (-) CIRCUIT(S) OP E N TO AUTOMATIC TE MP E RATURE CONTROL
TES T
1 Tu r n t h e ign it ion on .
Wit h t h e DRBIII , r ea d Au t om a t ic Tem per a t u r e Con t r ol DTCs.
Does t h e DRBIII displa y: NO COMMUNICATION BUS?
Yes
No
2 Tu r n t h e ign it ion on .
Wit h t h e DRBIII , r ea d E n gin e Con t r ol Modu le DTCs.
Does t h e DRBIII displa y a n y DTCs?
Yes
No
3 Tu r n t h e ign it ion on .
Wit h t h e DRBIII , ch eck t h e TCM, IC, a n d ABS m odu le for t h e sa m e or sim ila r No
Com m u n ica t ion wit h E n gin e Con t r ol Modu le DTC.
Does t h e DRBIII displa y sa m e or sim ila r DTC in TCM, IC, & ABS m odu le?
Yes
No
P OS S IB LE CAU S ES
ACTION
→ Refer t o t h e Com m u n ica t ion ca t egor y for t h e r ela t ed sym pt om .
P er for m BODY VE RIF ICATION TE ST - VE R 1.
→ Go To 2
→ Refer t o P ower t r a in Dia gn ost ic in for m a t ion for t h e r ela t ed sym p-
t om (s).
P er for m BODY VE RIF ICATION TE ST - VE R 1.
→ Go To 3
→ Go To 4
→ Go To 6
163
H EAT I N G & A/C
AP P LICAB ILITY
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