Automatic Transmission: Maintenance Acura TL IV facelift

PCM/TCM Reset

Note. To reset the PCM/TCM, initialize only the automatic transmission memory stored in the PCM or the TCM.

1. Select the A/T system with the HDS.
2. Reset the PCM/TCM with the HDS while the engine is stopped.
3. Turn the ignition switch to LOCK (0), or press the engine start/stop button to select the OFF mode.
4. Turn the ignition switch to ON (II), or press the engine start/stop button to select the ON mode, and wait for 30 seconds.
5. Turn the ignition switch to LOCK (0), or press the engine start/stop button to select the OFF mode, and disconnect the HDS from the DLC.