

Types of DTC's
There are two categories of DTC's that apply to OBDII. They
are listed below with Type A being the more severe.
Type A |
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- Emissions related.
- Requests illumination of the MIL after one failed driving
cycle.
- Stores a freeze frame DTC after one failed driving cycle.
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Type B |
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- Emissions related.
- Sets a Pending Trouble Code after one failed driving cycle.
- Clears a Pending Trouble Code after one successful driving
cycle.
- Turns on the MIL after two consecutive failed driving cycles.
- Stores a freeze frame after two consecutive failed driving
cycles.
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