PS316

Service Bulletin Details

Public Details for: PS316

Pit stop: ?Hybrid system warning!? Message in cluster and mil-on with dtc P1784 - when diagnosing an optima hybrid with a ?Hybrid system warning!? Message (a) in the cluster, the malfunction indicator lamp (mil) on and dtc P1784 (eop 3-phas


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SUBJECT:
“ HYBRID
GROUP
Electrical
MODEL
Optima Hybrid (TF HEV)
NUMBER
PS316
DATE
May 2014
SYSTEM WARNING!” MESSAGE IN CLUSTER AND
MIL-ON WITH DTC P1784
When diagnosing an Optima Hybrid with a “Hybrid System Warning!” message (A) in the
cluster, the malfunction indicator lamp (MIL) on and DTC P1784 (EOP 3-Phase Wiring Line
Open), in either active or in history, check for contact between the Electric Oil Pump (EOP)
harness and the oil cooler hose clamp (B). If the harness is visibly damaged from contact (C),
repair or replace as needed.
A
B
C
NOTE: If the “Hybrid System Warning!” message appears in the cluster without a DTC
present in the system, call Techline for further assistance with diagnosis.
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