DTC Archives - Tomorrows Technician
PCV System DTC

PCV systems are far more complex now, but they are also much better at controlling crankcase pressure.

The Terrible Tale Of A Neglected Nissan

The 2007 Nissan Altima came into the shop with multiple stored DTCs, including CAN communication and transmission codes.

GM ‘Service ABS / TCS / Power Steering And Suspension’ Message

Complaints may include odd messages, inoperative settings and blank cameras. Here’s what to look for.

Video: How To Understand More From Diagnostic Trouble Codes

Just plugging a scan tool into an OBD port won’t tell you everything. This video sponsored by AirPro Diagnostics.

P1745 Tech Tip

In this excerpt from the 2011 ATSG Seminar class, Instructor Wayne Colonna talks about 41TES and 42RLE VLP transmissions with a P1745 DTC. These codes are usually the result of a problem with a pressure control solenoid that should be reducing line pressure at idle.

Top 10 OBDII Codes Quick Quiz

Can you diagnose OBDII DTC’s in less than 10 minutes? Take this four question quiz to test your diagnostic strategies when tackling the most common OBD II codes.