PACCAR MX (2004 Emissions) Fault Code: P151B Aftertreatment System – Upcoming Vehicle Speed Limitation Warning

SET CONDITIONS:
This DTC becomes active if the DTC from which it originates activates a vehicle speed limitation as soon as the relevant conditions are met.

RESET CONDITION:
This DTC becomes inactive as soon as the DTC from which it originates has become inactive.

ADDITIONAL INFORMATION:
IMPORTANT: Do not troubleshoot this DTC since it originates from another active DTC.