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Home >> Volvo >> 2009 >> C70 Automatic >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control Module (ECM) Diagnostic Trouble Codes - 6 Of 8 >> ECM-740C: Communication, Central Electronic Module (CEM). Signal Too High (B5254T3; 2006-2007) >> 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 first stored in the Central electronic module (CEM), then in the Engine control module (ECM). This diagnostic trouble code (DTC) can not be erased before the diagnostic trouble codes (DTC) in the central electronic module (CEM) has been remedied and erased.

Therefore, first read off diagnostic trouble codes in Central electronic module (CEM), perform troubleshooting and perform actions as needed. This diagnostic trouble code (DTC) can then be erased.

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