Symptom:
NO COMMUNICATION BUS (ACTIVE)
Wh e n Mo n i to re d a n d S e t Co n d it i o n :
NO COMMUNICATION BUS (ACTIVE)
Wh en Mon it or ed: Wit h t h e ign it ion on .
Set Con dit ion : This DTC will set if t h e Au tom a t ic Tem per a tu r e Con tr ol (ATC) fa ils t o
receive a ll m odu le messa ges.
POSSIBLE CAUSES
CAN CIRCUITS SH ORTE D TO VOLTAGE
MODULE SH ORT TO VOLTAGE
CAN CIRCUITS SH ORTE D TO GROUND
MODU LE SH ORT TO GROU N D
CAN CIRCUITS SH ORTE D TOGE TH ER
ENGINE CONTROL MODULE
SENTRY KEY REMOTE ENTRY MODULE
TE S T ACTION AP PLICAB ILITY
1 Tur n th e ign it ion off.
Discon n ect t he In st r u m en t Clu st er ha r n ess con n ect or s.
Tur n th e ign it ion on .
Mea su r e th e volt a ge bet ween CAN C Bu s (+) cir cuit an d gr ou n d.
Mea su r e th e volt a ge bet ween CAN C Bu s (-) cir cu it an d gr ou n d.
Is t h e volt a ge above 3.0 volt s on eit h er cir cu it ?
All
Ye s → Go To 2
No → Go To 3
160
HEAT IN G & A/C
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