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Home >> Volvo >> 2004 >> XC70 >> Repair and Diagnosis >> External Pages >> Different car >> Section 103 (Transmission Control Module (TCM) Vehicle Communication - Specifications) >> Vehicle Communication Information, Transmission Control Module (TCM) (Aw50/51 AWD; Aw55-50/51SN; 2001-2007) >> Description of parameters >> Parameters, value >> Engine control module (ECM) engine coolant temperature (ECT)
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Engine control module (ECM) engine coolant temperature (ECT)

WARNING: This page does not describe the selected car, but rather 7 other vehicles, including the 2007 Volvo V70, 2006 Volvo V70, 2005 Volvo V70, 2004 Volvo V70, and 2003 Volvo V70. However, it is still accessible from the selected car via links, so may be relevant.

The engine control module (ECM) transmits a signal indicating the engine coolant temperature (ECT) on the Control area network (CAN). The automatic gearbox uses the signal to govern lock-up.

Measurement range: -60 - +195°C.

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