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TRCM_a050 — Party Length Error

Full alert identifier: TRCM_a050_partyLengthError

Message shown in the car

Safety restraint system issue Service is required

Alert description

The Restraint Control Module (RCM) receives a message on the PARTY bus with an unexpected message length.

Potential impact

The Safety Restraint System may not perform as designed.

Set condition

A message is received on the PARTY bus that does not have the message length expected by the receiving ECU, likely due to firmware version mismatch between ECUs.

Clear condition

Clears after a power cycle when the RCM receives the expected message length on the PARTY bus.

Signals to check

These diagnostic fields are associated with TRCM_a050. Check the alert's Payload in Service Mode Plus for available values.

Signal Unit
Expected Length TRCM_a050_expectedLength —
Message Id TRCM_a050_messageId —
Received Length TRCM_a050_receivedLength —

Check other alerts

With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of TRCM_a050.

Browse all TRCM alert codes