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Home >> Volvo >> 2009 >> C30 R-Design, Standard >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control Module (ECM) Diagnostic Trouble Codes - 6 Of 8 >> ECM-720A: Immobilizer Communication. Signal Missing (B5244S4; 2007-2010) >> Fault-Tracing Information >> Information

Fault-Tracing Information: Information

No fault-tracing has been developed for this diagnostic trouble code (DTC). The diagnostic trouble code (DTC) for this fault is stored first in the brake control module (BCM), then in the engine control module (ECM). This diagnostic trouble code (DTC) can not be erased before the diagnostic trouble code (DTC) in the brake control module (BCM) has been remedied and erased.

First read off the diagnostic trouble codes (DTCs) in the brake control module (BCM). Fault-trace and remedy as necessary. This diagnostic trouble code (DTC) can then be erased.