Clearing TAC Module Memory

Turn ignition off. Fully depress and hold accelerator pedal. Place shift lever in any position except Park or Neutral (Neutral position switch off). Turn ignition on. Place shift lever into Park or Neutral (Neutral position switch on). Release accelerator pedal. Ensure TAC module memory is cleared by repeating self-diagnostics. See READING TAC CODES  . Only Code 55 should exist (no malfunction). If TAC codes still exist, repeat this procedure or go to appropriate diagnostic procedure for DTCs set.