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To fix a Passkey fault on a 1996 Chevrolet Impala, first check the key and ignition cylinder for damage or wear, as the system relies on a resistor embedded in the key. If the key is fine, examine the Passkey module and wiring for any faults or loose connections. You may also need to reset the system by disconnecting the battery for a few minutes or using a diagnostic tool to clear any stored trouble codes. If these steps do not resolve the issue, consider replacing the Passkey module or consulting a professional for further diagnosis.

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1mo ago

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