Workshop Manuals Factory service & repair Fiat
Fiat Stilo Factory Service Manual (2001-2007)22 · Fault diagnosis
22 · Diagnostics

Engine can message error

Make
Fiat
Model
Stilo Factory Service Manual
Year
2001–2007
Section
Examiner › Engine can message error
Fault diagnosisEngine can message error

ENGINE CAN MESSAGE ERROR

The diagnostic equipment signals the following error: C1521 Engine CAN message error

This error is signalled if the control unit does not detect the engine management control unit

Results of the tests
1ENGINE MANAGEMENT CONTROL UNIT POWER SUPPLY CHECKAll OKProblems metOperation

1.8 16v

1.6 16v

2.4 20v

1.2 16v

1.4 16v

ESP

Check that the engine management control unit is correctly supplied See E5030 PETROL ENGINE ELECTRONIC MANAGEMENTContinue to Step 2Engine management control unit supply missingRestore the correct connections, if necessary, replace the engine management control unit Op. 1056B82

1.9 JTD 8v

ESP

Check that the engine management control unit is correctly supplied See E5050 DIESEL ENGINES ELECTRONIC MANAGEMENTContinue to Step 2Engine management control unit supply missingRestore the correct connections, if necessary, replace the engine management control unit Op. 1060G80
2ELECTRICAL CONNECTIONS CHECKAll OKProblems metOperation
Check that the connection between the engine management control unit and the ABS control unit is correct See E7030 AIRBAGContinue to Step 3CAN electrical connections faultyRestore the correct connection
3CHECK ON CORRECT OPERATIONAll OKProblems metOperation

Delete the errors using the diagnostic equipment.

Carry out road to make the control unit check whether there are still errors present.

Return to the workshop and check that the fault is no longer present using the diagnostic equipment.

End of diagnosis

Parts & tools for this job For 2001 Fiat Stilo

Links open Amazon search results in a new tab. As an Amazon Associate I earn from qualifying purchases.