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Home >> Volvo >> 2004 >> XC70 >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control Module (ECM) Diagnostic Trouble Codes (XC) - 7 Of 9 >> ECM-903F: Throttle Position (TP). Signal Too High (B5244T3; 2001) >> Signal too high >> Frozen values and counter for diagnostic trouble codes. >> Frozen values DENSO, description >> Warm-up cycle
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Warm-up cycle

Indicates whether a warm-up cycle had been run or not when the frozen values were created.

A warm-up cycle is run if the engine coolant temperature (ECT) is between -7° C and +35° C when the engine is started.