Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
Multiplex Integrated Control DTCS
; B1002 MICU Internal (CPU) Error; MICU Internal (EEPROM) Error DTC B1005 MICU Lost Communication with Relay Control Module (RM Message) DTC B1007 MICU Lost Communication with Combination Switch Control Unit (HLSW Message) DTC B1011 MICU Lost Communication with Gauge Control Module (VSP/NE Message) DTC B1012 MICU Lost Communication with Rear MICU (RJC Message) DTC B1013; B1015 MICU Lost Communication with Driver's MPCS Unit (ASLOCKSW Message); MICU Lost Communication with Driver's MPCS Unit (DRLOCKSW Message) DTC B1032 MICU Lost Communication with the SRS Unit (CDS Message) DTC B1080 Ignition Key Switch Circuit Malfunction DTC B1050; B1150; B1200; B1250; B1350; B1750; B1800; B1900; B1950; B2150; B2200 Communication Bus Line Error; Communication Bus Line Error; Communication Bus Line Error; Communication Bus Line Error; Communication Bus Line Error; Communication Bus Line Error; Communication Bus Line Error; Communication Bus Line Error; Communication Bus Line Error; Communication Bus Line Error; Communication Bus Line Error DTC B2152 Driver's MPCS Unit Internal (EEPROM) Error DTC B2155; B2156; B2161 Driver's MPCS Unit Lost Communication with MICU (MICU Message); Driver's MPCS Unit Lost Communication with MICU (MIRRORSW Message); Driver's MPCS Unit Lost Communication with MICU (DOORSW Message) DTC B2157; B2160 Driver's MPCS Unit Lost Communication with Gauge Control Module (ILLUMI Message); Driver's MPCS Unit Lost Communication with Gauge Control Module (VSP/NE Message) DTC B2162 Driver's MPCS Unit Lost Communication with Relay Control Module (RM Message)
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.
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