GM Bonneville/Eighty Eight/LeSabre 1986-1999

Clearing Codes

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The trouble codes in EBCM memory are erased with a Tech 1® or equivalent scan tool, using the "Clear DTCs" function. Make sure to check for proper system operation and absence of DTCs when the clearing procedure is completed. The DTCs cannot be cleared by unplugging the EBCM, disconnecting the battery cables, or turning the ignition OFF .

 
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