LEMON Manuals
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Eclipse Cross ES, AWD
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Repair and Diagnosis (Single Page)
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Keyless Operation System (Kos) - (With Diagnostics)
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Diagnosis
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Diagnostic Trouble Code Procedures
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DTC B1A28: ENG ECU authentification error
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Probable Causes
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Probable Causes
Writing error of chassis number to ECM (ECM has been interchanged between two vehicles, or chassis number has not been written after ECM replacement)
Malfunction of the CAN bus line
Malfunction of KOS & OSS-ECU