LEMON Manuals
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Eclipse Cross ES
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Repair and Diagnosis (Single Page)
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Diagnostic Trouble Code Procedures
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DTC P0504: Malfunction of the Stoplight Switch System
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Diagnostic Trouble Code Set Conditions
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Judgment Criteria
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Judgment Criteria
Open/short in stoplight switch circuit.
Open circuit in the brake switch circuit (between ECM connector terminal BRK and ground).
Malfunction of CAN bus line.