How to Retrieve DTCs

WARNING: This page is about a different car, the 2011 Acura TL, 2010 Acura TL, and 2009 Acura TL. However, it is still accessible from the selected car via links, so may be relevant.

With the ignition switch in LOCK (0), or press the engine start/stop button to select the OFF mode, connect the HDS (Honda Diagnostic System) to the data link connector (DLC) (A) located under the driver's side of the dashboard

Fig 1: Identifying Data Link Connector (DLC)
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Turn the ignition switch to ON (II), or press the engine start/stop button to select the ON mode
Make sure the HDS communicates with the vehicle and TPMS control unit If it doesn't, troubleshoot the DLC circuit (see DLC CIRCUIT TROUBLESHOOTING )
Follow the prompts on the HDS to display the DTC(s) on the screen After determining the DTC, refer to the DTC TROUBLESHOOTING
NOTE: See the HDS Help menu for specific instructions
Turn the ignition switch to LOCK (0), or press the engine start/stop button to select the OFF mode