IDB_a100_RCMcollisionChecksum

Restraint Control Module (RCM) collision message RCM_collision checksum is incorrect.

Live incidence rate

<0.01% (Extremely rare)

Vehicle messages

None displayed

Impact

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.

Description

Restraint Control Module (RCM) collision message RCM_collision checksum is incorrect.

Cause

RCM_collision is received with incorrect CRC for longer than 100 milliseconds.

Clear condition

RCM_collision Controller Area Network (CAN) message is received with correct Cyclic Redundancy Check (CRC) for 100 milliseconds.

Models

Model Y 2025+

Visibility

service-fix

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