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Not all DTC's will activate the CEL

It is up to the manufacturer whether or not to trigger the CELCheck Engine Light based on the error codeDiagnostic Trouble Code, so a misfire DTC is not the treated with the same severity as an idle-control DTC.

In fact, the same make and model manufactured for different markets (Europe vs US) can have sets of triggers, as is the case with the BMW E39 5-series. The variation here is very likely driven by differing motor vehicle legislations & requirements.

Not all DTC's will activate the CEL

It is up to the manufacturer whether or not to trigger the CEL based on the error code.

In fact, the same make and model manufactured for different markets (Europe vs US) can have sets of triggers, as is the case with the BMW E39 5-series. The variation here is very likely driven by differing motor vehicle legislations & requirements.

Not all DTC's will activate the CEL

It is up to the manufacturer whether or not to trigger the Check Engine Light based on the Diagnostic Trouble Code, so a misfire DTC is not the treated with the same severity as an idle-control DTC.

In fact, the same make and model manufactured for different markets (Europe vs US) can have sets of triggers, as is the case with the BMW E39 5-series. The variation here is very likely driven by differing motor vehicle legislations & requirements.

Source Link
Zaid
Zaid
  • 39.2k
  • 49
  • 149
  • 292

Not all DTC's will activate the CEL

It is up to the manufacturer whether or not to trigger the CEL based on the error code.

In fact, the same make and model manufactured for different markets (Europe vs US) can have sets of triggers, as is the case with the BMW E39 5-series. The variation here is very likely driven by differing motor vehicle legislations & requirements.