Programming/replacing the engine control module (ECM)

Fig 1: Identifying Ignition OFF

GLL101045

Courtesy of VOLVO CARS OF NORTH AMERICA.

Ignition off.
The engine control module (ECM) has registered an internal fault or a fault in the software. Try downloading new software into the control module. To download new software or replace the engine control module (ECM), see:

See Engine control module (ECM), replacing .

If software cannot be downloaded or new software does not solve the problem, replace the engine control module (ECM) and download the relevant software to the new control module.

NOTE:
After downloading new software or replacing the engine control module (ECM), the throttle unit must be adapted according to VIDA Vehicle communication: "Throttle unit adaptation".

Remedy as necessary.

Fig 2: Engine Control Module
Courtesy of VOLVO CARS OF NORTH AMERICA.

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