PACCAR MX (2004 Emissions) Fault Code: U1825 CAN – Message (PROPB_SW) Rate Too High from Steering Wheel Switches
SET CONDITIONS:
This DTC is set when the repetition rate of the received CAN message is lower than expected or when the message is not received at all.
DIAGNOSTIC CONDITION:
The diagnostic runs continuously when the ignition is keyed on or when the engine is running.
RESET CONDITION:
The DTC changes to inactive after the diagnostic runs and passes.
POSSIBLE CAUSES:
1. Wiring issues (interruption or contact resistance)
2. Defective components
3. Incorrect software configuration
PACCAR MX (2004 Emissions) Fault Code: U1824 CAN Communication – Message (PROPB_SW) Out of Range, Variable Speed Limiter Set Switch from Steering Wheel Switches
PACCAR MX (2004 Emissions) Fault Code: U1823 CAN Communication – Message (PROPB_SW) Out of Range, Downhill Speed Control Resume Min Switch from Steering Wheel Switches
PACCAR MX (2004 Emissions) Fault Code: U1822 CAN Communication – Message (PROPB_SW) Out of Range, Downhill Speed Control Set Plus Switch from Steering Wheel Switches
PACCAR MX (2004 Emissions) Fault Code: U1821 CAN Communication – Message (PROPB_SW) Out of Range, Speed Functions Off Switch from Steering Wheel Switches
PACCAR MX (2004 Emissions) Fault Code: U1820 CAN Communication – Message (PROPB_SW) Out of Range, Cruise Control Resume Min Switch from Steering Wheel Switches
PACCAR MX (2004 Emissions) Fault Code: U1819 CAN Communication – Message (ETC1) Not Available, Engine Momentary Overspeed Enable from Transmission System