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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Quick Lookups
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DTC Index
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Diagnostic Trouble Code Index V6 S/C 3.0L Petrol, DTC: Engine Control Module (ECM) -- LR4/L319
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Diagnostic Trouble Code Index V6 S/C 3.0L Petrol, DTC: Engine Control Module (ECM)
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Description Of Operation
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DTC P0504-27: Brake Switch A/B Correlation - Signal rate of change above threshold
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Possible Causes
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Possible Causes
The signal transitions more quickly than is reasonably allowed
Brake pedal switch plunger failure
Brake pedal switch not fitted correctly
Brake pedal switch failure