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Clearing Fault Codes

NOTE: Fault codes can also be cleared in READ FAULTS option of DRB-II. To ensure that all faults are read, it is advisable to use READ FAULTS option to erase fault codes. See DRB-II DIAGNOSTIC MODE  under ENTERING ON-BOARD DIAGNOSTICS.
  1. If DRB-II is not available, go to step 3). If DRB-II is available, enter SPEED CONTROL MENU. See DRB-II TEST FUNCTIONS  . At SPEED CONTROL MENU, press "5" (ADJUSTMENTS) key. Press ENTER key. At ADJUSTMENTS menu, press "1" (ERASE FAULTS) key. Press ENTER key.
  2. DRB-II will display ERASE FAULTS ARE YOU SURE? (ENTER TO ERASE). Press ENTER key. When DRB-II is finished erasing fault codes, screen will display FAULTS ERASED.
  3. If DRB-II is not available, fault codes may be cleared by disconnecting negative battery cable for at least 15 seconds, allowing PCM to clear fault codes.
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