Internal Fault

Internal fault

Checking control module memory




- Ignition on.
- Use the System test function to test the control module memory. For more information about the System test, see System Test System Test.
Check if the control module memory is OK or not.
If memory functions OK is displayed.





Is control module memory OK?

Yes - Intermittent fault

No - Replacing component

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Replacing component

Hint: The control module contains a number of settings that the users can program in themselves. If possible these settings should be read off and noted down before the control module is replaced. So that the new control module can be programmed in the same way.

Other information:
Try a new control module according to Replacing the control module, old system Replacing the Control Module, Old System.

Continue - Verification

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Verification

Hint: After carrying out the repair, check that the fault has been remedied.












- Ignition off.
- Reconnect connectors, reinstall components.
- Ignition on.
- Use the System test function to test the control module memory. For more information about the System test, see System Test System Test
Check if the control module memory is OK or not.
If memory functions OK is displayed.





Is control module memory OK?

Yes - FAULT FOUND

No - Fault-tracing information
No Fault Found

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Fault-tracing information




Information

Fault-tracing information
The fault should have been detected and remedied. As this is not the case fault-tracing has failed.
Exit fault-tracing for this diagnostic trouble code (DTC) or make another attempt.

Do you want to exit fault-tracing?

Yes - Exit fault-tracing

No - Attempt New Test

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Attempt New Test - Checking control module memory

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Intermittent fault
The fault tracer indicates that the control module had previously identified an internal fault but that the fault is no longer apparent.






Continue - Fault-tracing information
FAULT FOUND

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Fault-tracing information




Information

Fault-tracing information
If the fault is intermittent, do not verify fault-tracing if the fault does not recur.
It is possible to view the information again, or leave fault-tracing for this diagnostic trouble code (DTC).

Do you want to view the information again?

Yes - Attempt New Test

No - FAULT FOUND

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Attempt New Test - Checking control module memory

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