F 250 2WD Super Duty V10-6.8L (2009)
Installation (PMI) or the PMI may not have been carried out.
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Clear all DTCs.
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Ignition OFF.
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Ignition ON.
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Wait 10 seconds.
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Enter the following diagnostic mode on the scan tool: Self-Test.
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Retrieve the continuous memory DTCs from all modules.
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Is DTC U0140 set in the Audio Control Module (ACM), Driver Seat Module (DSM), audio DSP module or Parking Aid Module (PAM)?
Yes
INSTALL a new SJB. REFER to Smart Junction Box (SJB) See: Power and Ground Distribution/Power Distribution Module/Service and Repair/Smart
Junction Box (SJB).
No
INSTALL a new DSM. REFER to Driver Seat Module (DSM) See: Mirrors/Memory Positioning Systems/Memory Positioning Module/Service and
Repair.
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Pinpoint Test J: DTC U0155
Driver Seat Module (DSM)
Pinpoint Tests
Pinpoint Test J: DTC U0155
Normal Operation
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DTC U0155 (Lost Communication With Instrument Panel Cluster (IC) Control Module) - set by the DSM whenever it receives invalid data from
the Instrument Cluster (IC).
This pinpoint test is intended to diagnose the following:
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Module communication
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DSM
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IC
PINPOINT TEST J: DTC U0155
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J1 VERIFY CUSTOMER CONCERN
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Ignition ON.
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Verify there is an observable symptom present.
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Is an observable symptom present?
Yes
GO to J2.
No
The system is operating normally at this time. The DTC may have been set due to high network traffic or an intermittent fault condition.
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J2 CHECK THE COMMUNICATION NETWORK
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Ignition ON.
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Enter the following diagnostic mode on the scan tool: Network Test.
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Carry out the network test.
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Does the IC pass the network test?
