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Eclipse Cross SEL
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Repair and Diagnosis
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Immobilizer System - Vehicles Without Keyless Operation System
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Diagnostic Trouble Code Procedures
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DTC B1A28: ECM authentication error
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Troubleshooting Hints
Troubleshooting Hints
The CAN bus line may be defective.
The ETACS-ECU may be defective.
The engine control module may be defective.
Chassis number registered in ECM unmatched
Chassis number registered in ETACS-ECU unmatched