LEMON Manuals
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Land Rover
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2015
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LR4 Base, AWD
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Repair and Diagnosis (Single Page)
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Heating, Ventilation & A/C (HVAC)
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HVAC Control Systems
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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 B1D31-94: Flame Detected Prior to Normal Operation - Unexpected operation
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Possible Causes
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Possible Causes
NOTE:
The glow plug and flame sensor are a combined unit
Fuel fired booster heater glow plug circuit short circuit to ground, short circuit to power, open circuit, high resistance