DTCs Archives - Import Car
Solving Mystery BMW Diagnostic Trouble Codes

Something as simple as checking the DTCs can go off the rails when the code isn’t translated properly by your scan tool.

Honda Civic: Failed PCMs And CAN System Diagnostics

This case study involving three failed PCMs in a 2002 Honda Civic illustrates the real-world complexities of diagnosing on-board modules linked together by a bus communications network.

Coil-On-Plug Diagnostics: Toyota Tundra

Sometimes simple = complex. For example, the modern coil-on-plug (COP) ignition system is perhaps among the simplest to diagnose, but to illustrate the complexities, let’s look at how a 2008 Toyota Tundra 4.0L V6 might record various misfire codes.

Audi Fuel System: MIL On/Multiple Low Fuel Pressure DTCs

Due to fuel intrusion into the low-pressure ­system fuel pressure sensor (G410), a false signal may be sent to the controller, resulting in a reading that is out of tolerance. Model: 2007 Audi A4 Sedan V6-3.2L Scenario: The MIL is on and one or more of the following DTCs is stored in the engine control