Operation CHARM
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Ford
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2008
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F 250 4WD Super Duty V8-5.4L
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Repair and Diagnosis
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Body and Frame
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Body Control Systems
Body Control Systems
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Description and Operation
Testing and Inspection
Initial Inspection and Diagnostic Overview
Driver Seat Module (DSM)
Inspection and Verification
Principles of Operation
Smart Junction Box (SJB)
Inspection and Verification
Principles of Operation
Upfitter Relay Box
Principles of Operation
Inspection and Verification
Diagnostic Trouble Code Descriptions
Diagnostic Trouble Code (DTC) Chart
Smart Junction Box (SJB) DTC Chart
Symptom Related Diagnostic Procedures
Smart Junction Box (SJB)
Driver Seat Module (DSM)
Upfitter Relay Box
Pinpoint Tests
Smart Junction Box (SJB) DTC Chart
Test A: DTCs B106E, B106F - Solid State Driver Disabled Due to Short Circuit, Module Disabled Due to External Fault
Test B: DTCs B2048, B2050, B2949, B2A2B, B2A2C, B2A38 - Possible Smart Junction Box (SJB) Internal Errors
Upfitter Relay Box
Specifications
Tools and Equipment
Driver Seat Module (DSM)
Smart Junction Box (SJB)
