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DTC B1802: Power Seat Control Unit Internal Error (EEPROM error) Acura TL III facelift

Memory Modules

Note. If you are troubleshooting multiple DTCs, be sure to follow the instructions in B-CAN System Diagnosis Test Mode A (see TROUBLESHOOTING - B-CAN SYSTEM DIAGNOSIS TEST MODE A ).

Clear the DTCs with the HDS.
Turn the ignition switch OFF, and then back ON (II).
Check for DTCs with the HDS. Is DTC B1802 indicated? YES -Replace the power seat control unit. NO -The system is OK at this time.