Restraint Control Module (RCM) inertial 2 message RCM_inertial2 checksum is incorrect.
<0.01% (Extremely rare)
ABS (anti-lock braking system) disabled
Drive with caution
Anti-lock Brake System (ABS), Controlled Deceleration via Parking brake (CDP), External Brake Request (EBR), and Secondary Collision Mitigation (SCM) may be unavailable. There may be an issue with the transmitting Electronic Control Unit (ECU) or CAN bus. The vehicle should be driven with extreme caution.
Restraint Control Module (RCM) inertial 2 message RCM_inertial2 checksum is incorrect.
RCM_inertial2 is received with incorrect CRC for longer than 100 milliseconds.
RCM_inertial2 Controller Area Network (CAN) message is received with correct Cyclic Redundancy Check (CRC) for 100 milliseconds.
Model Y 2025+
customer, service-fix
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