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LR4 Base, AWD
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Repair and Diagnosis (Single Page)
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DTC Index
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Diagnostic Trouble Code Index DTC: Fuel Fired Booster Heater Control Module (FFBH) -- LR4/L319
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Diagnostic Trouble Code Index DTC: Fuel Fired Booster Heater Control Module (FFBH)
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Description Of Operation
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DTC B1D63-11: External Control Relay - Circuit short to ground
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Action
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DTC B1D63-11: External Control Relay - Circuit short to ground: Action
Clear DTCs and retest. If the fault persists, install a new fuel fired booster heater module as required, clear the DTCs and perform routine - AHCM Operation Test (0x9013)