Will
it reset the ECU and Check Engine light?
These
interfaces will allow you to erase the fault codes from the ECU memory,
and switch off the 'Check Engine' light (or Malfunction Indicator Light
(MIL)).
In erasing
the codes, they reset the ECU, which also erases any 'learned' settings,
e.g. fuel trim adjustments. These will be re-learned automatically by
the car during subsequent drive cycles.
Resetting
the ECU is not harmful to the car.
Will
it reset Airbag, ABS or Service lights?
No, the
tools will not reset these lights, or read codes from these systems.
These
packages communicate with the EOBD/OBDII systems in the car, which are
primarily the engine/emissions diagnostic systems. These are linked
to the 'Check Engine' or 'Malfunction Indicator Light' (MIL).
The packages
will reset the 'Check Engine' light, and will clear any associated
fault codes.
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