Home ReviewsRefund
Home/Acura/RDX/Acura RDX I facelift (2009-2012)/Repair manual/Communication Devices/DTC B1001: MICU Internal Error (CPU error); DTC B1002: MICU…
Contents Wiring diagrams Section: Communication Devices All sections

DTC B1001: MICU Internal Error (CPU error); DTC B1002: MICU Internal Error (EEPROM error) Acura RDX I facelift

Communication Devices ~125 words

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 ).

  1. Clear the DTCs with the HDS.
  2. Turn the ignition switch to LOCK (0) and then back to ON (II).
  3. Check for DTCs with the HDS. Is DTC B1001 and/or B1002 indicated? YES -Faulty MICU, replace the under-dash fuse/relay box (see «REMOVAL AND INSTALLATION»(ref-513873-S08992568522012111600000) ). NO -Intermittent failure, the system is OK at this time. Check for loose or poor connections. If all connections are good, check battery condition (see «BATTERY TEST»(ref-513852-S37711115492012111600000) ), and the charging system (see «SYMPTOM TROUBLESHOOTING INDEX»(ref-513847-S02731401002012111600000) ).

More articles — Multiplex Integrated Control System