Taurus AWD V6-3.5L (2009)
INSTALL a new SJB. REFER to Smart Junction Box (SJB) See: Power and Ground Distribution/Power Distribution Module/Service and Repair. TEST
the system for normal operation.
No
The system is operating correctly at this time. The concern may have been caused by a loose or corroded connector.
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Pinpoint Test D: DTC U0155
Smart Junction Box (SJB)
Pinpoint Tests
Pinpoint Test D: DTC U0155
Normal Operation
-
DTC U0155 (Lost Communication with Instrument Panel Cluster (IC) Control Module) - set by the Smart Junction Box (SJB) if IGN status
message is present, and if messages are missing for 15 seconds or longer from the Instrument Cluster (IC) over the Medium Speed Controller Area
Network (MS-CAN).
This pinpoint test is intended to diagnose the following:
-
Module communication
-
SJB
PINPOINT TEST D: DTC U0155
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D1 VERIFY CUSTOMER CONCERN
-
Ignition ON.
-
Verify that there is an observable symptom present.
-
Is an observable symptom present?
Yes
GO to D2.
No
The system is operating normally at this time. The DTC may have been set due to high network traffic or intermittent fault condition.
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D2 CHECK THE COMMUNICATION NETWORK
-
Ignition ON.
-
Enter the following diagnostic mode on the scan tool: Network Test.
-
Carry out the network test.
-
Does the SJB pass the network test?
Yes
GO to D3.
No
REFER to Information Bus.
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D3 RETRIEVE THE RECORDED DTCs FROM THE SELF-TEST
-
Check for recorded SJB DTCs from the self-test.
-
Is DTC B1317 or B1318 recorded?