FixVault
Home
›
Subaru
›
2021
›
Outback Base
›
Repair and Diagnosis
›
Engine Performance
›
Engine Control Systems
›
Auto Start Stop System (Diagnostics)
›
Diagnostic Procedure With Diagnostic Trouble Code (DTC)
›
DTC U1604: Lost Communication With Dc/Dc Converter Module 1
›
General Description
›
Diagnostic Method
Diagnostic Method
Judge as NG when the following conditions are established.
JUDGMENT VALUE SPECIFICATION
Malfunction Criteria
Threshold Value
DC/DC converter 1
Data not received (communication failure)
Time needed for diagnosis:
0.5 s