OBD2 Diagnostic Trouble Code (DTC) Articles
| These are the most common state emission test failure Diagnostic Trouble Codes (DTC) explained and referenced. | ||
| DTC P0010 | DTC P0401 | DTC P0730 |
| DTC P0011 | DTC P0402 | |
| DTC P0012 | DTC P0403 | |
| DTC P0020 | DTC P0404 | |
| DTC P0021 | DTC P0405 | |
| DTC P0022 | ||
| DTC P0410 | ||
| DTC P0100 | DTC P0420 | |
| DTC P0133 | DTC P0430 | |
| DTC P0135 | ||
| DTC P0440 | ||
| DTC P0141 | ||
| DTC O0442 | ||
| DTC P0455 | ||
| DTC P0171 | ||
| DTC P0300 | DTC P0500 | |
Ready To Repair These Problems?
Fortunately, everything you need everything you need to fix it right the first time is available here!
To access the sensor and data from your Engine Controller (PCM) you will need:
Professional Quality Scan Tool such as our 2X80S Scan Tool series.
Professional Quality Automotive Diagnostic Software such as OBD2 Spy, or Scan Master.
If you understand how the systems were designed to work and how to test them, great! Otherwise you will need factory product service training manuals that will teach you and guide you through the diagnostic phase.
You might also need the manufacturer factory service manuals and data systems that provide specifications and details relative to your specific model.
Or aftermarket data systems such as All Data, Mitchell On Demand, Auto Data, Bosch, and others.
Everything is available here for you as a single source for all your needs. The aftermarket data systems are available by direct shipment from the distributor at great pricing.
