D5252T/MSA15.7 fault code list
850S70V70
What do D5252T/MSA15.7 fault codes mean?
MSA15.7 is the diesel control unit for the Volvo 2.5 TDI engine (D5252T). A fault code is recorded when the control unit detects a failure in the intake pressure sensor, memory chips, internal communication, or reference voltage.
What are the consequences of a fault code?
Consequences depend on the fault type: Turbo pressure control is disabled — replacement pressure value from MAP sensor Reference voltage fault — a preset voltage value is used Other fault — ECU drives the fuel injection control to minimum
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