Volvo All Engines (2013 Emissions) Fault Code: U042600 PID: EMS Invalid Data Received From Vehicle Immobilizer Control Module

Volvo All Engines (2013 Emissions) Fault Code: U042600 PID: EMS Invalid Data Received From Vehicle Immobilizer Control Module

The immobilizer function is a part of a system that prevents the engine from starting if the correct security code is not used. After the ignition is switched on, a security code is broadcast from the ECM to the immobilizer control unit or the instrument cluster (US market). Engine start is permitted if a correct response message is received within a certain number of tries and within a certain time from the immobilizer control unit/instrument cluster

Observable symptoms
Engine cannot be started

Probable cause

Data link failure
1) Open circuit
2) Short circuit between wires
3) Control units, voltage supply

Software error:
1) Engine control module (ECM)
2) Instrument cluster

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