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Home >> Eagle >> 1996 >> Summit ES, 1.8 C >> Repair and Diagnosis (Single Page) >> Transmission >> Automatic Trans >> Diagnosis - F4A20, F4A30 & W4A30 >> Self-Diagnostic System >> Clearing Diagnostic Trouble Codes

Clearing Diagnostic Trouble Codes

Trouble codes can be cleared from TCU memory by disconnecting negative battery cable for more than 10 seconds. Ensure trouble codes are cleared after performing repairs.

WARNING: When battery is disconnected, vehicle computer and memory systems may lose memory data. Driveability problems may exist until computer systems have completed a relearn cycle. See COMPUTER RELEARN PROCEDURES in the APPLICATIONS & IDENTIFICATION section before disconnecting battery.