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Home >> Volvo >> 2009 >> V50 Base, 2.4 39 >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control Module (ECM) Diagnostic Trouble Codes - 1 Of 9 >> ECM-21E0: Long-Term Fuel Trim, Bank 1. Faulty Signal (B5254T3; 2005-2006) >> Diagnostic Trouble Code (DTC) Information >> Notes
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Diagnostic Trouble Code (DTC) Information: Notes

Condition 

The engine control module (ECM) stores information about fuel trim in the various adaptation ranges. The diagnostic trouble code (DTC) is stored if the engine control module (ECM) detects that one of the codes for fuel trim (bank 1) is stored in two consecutive operating cycles.

Substitute Value 

Possible Source 

Fault symptom[s]