Posts Tagged: trouble codes

OBDII DTC Type — Understanding OBDII Trouble Code Types

March 29, 2022

OBDII DTC Type — the four ways trouble codes are displayed and what they mean There are 4 OBDII DTC types; current, history, pending, or permanent. Many DIYers don’t understand how these codes differ and they absolutely don’t understand what a permanent trouble code is or how to get rid of it. What is a Current OBDII DTC type A current trouble fault code means the computer has detected a condition that has exceeded a pre-programmed threshold limit and the condition still exists, so it sets a fault code and … Read More