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2023 New P4 Freightliner Cascadia PTO is grinding during operation

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Applicable Vehicles P4 New Cascadia vehicles built from 9/9/2019 thru 1/9/2023 Symptoms PTO grinding noise during operation Issue When vehicle is in PTO operation, a parameter (emergency mode) may be incorrectly set allowing the PTO to try to re-engage while in operation.  Solution If encountering PTO grinding during operation, check the sSAM for the PTO position (screen print example read more

How Cascadia Dome Lamps function

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DRIVER AND PASSENGER SIDE DOOR SWITCHESThe dome lamps are activated by opening the driver or passenger side door. Opening and closing the door actuates a door switch which is part of the door latch assembly in each door.Continuity across door switch (switch closed) = door openNo continuity across door switch (switch open) = door closedThere is continuity across the switch when the door latch is in read more

LED Headlights for Freightliner Cascadia Legacy vehicles

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APPLICABILITY:This solution applies to all Freightliner  Legacy Cascadia vehicles.ISSUE:This solution is being written to reduce the number of requests related to LED headlamp.  This solution will address part numbers as well as compatibility.SOLUTION:The part numbers for the LED headlight assemblies are as follows:  Left Headlight = TL  27601C and  Right Headlight = TL 27 read more

Freightliner Cascadia, odometer racks up mileage when the vehicle is stationary

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Applicable Vehicles EPA 2007 Cascadia Symptoms Odometer racks up mileage when the vehicle is stationary, and/or other gauge issues such as a fluctuating boost gauge or voltmeter. Discussion To understand this issue, some background is necessary.  On EPA 2007 vehicles, the engine broadcasts data on both the J1587 and J1939 datalinks.  ICUs on EPA 2007 vehicles receive data from the e read more

Freightliner Cascadia Parameter Description Decoder

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Cascadia Parameter Description Decoder Description (Parameter) Description (Plain English) 10M 10mph Cutoff 10MP 10mph Cutoff 10MPH 10mph Cutoff 2CBL Two Cables 56Ser 56 Series 5WHL Fifth Wheel A/A air horn with horn request/air horn with foot switch A/E air horn with horn request/electric horn with foot switch A/X air horn with hor read more

New Cascadia ICUC Brake Drag Warning Message Appears For Approximately 3 Seconds When Applying Or Releasing The Parking Brake

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Applicable Vehicles This solution applies to New Cascadia Vehicles. Issue In some cases after the Single SAM (SSAM) has been reprogrammed the “Park Brake Drag” message may appear in the ICUC for about 3 seconds, only after applying or releasing the park brake.  This can happen if the programming for the “BSC Park Brake Drag” is not set correctly. Solution If read more

New Cascadia ABS Fault code SPN 520272 FMI 13

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Applicable Vehicles This solution applies to all New Cascadia vehicles. Symptoms: ABS Lamp on and active fault codes SA11 SPN 520272 FMI 13 --EOL Parameter ESC-Function (Steering Ratio Parameters) - out of calibration. Issue The code SA11 SPN 520272 FMI 13 --EOL Parameter ESC-Function (Steering Ratio Parameters) - out of calibration, will be active if the steering ang read more

New Cascadia with Cummins engine and Wabco OnGuard, obtaining cruise when adaptive cruise Is interrupted

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Applicable Vehicles: Applies to all New Cascadia (P4) vehicles built with Cummins engines and WABCO OnGuard.  Issue: Interruption of the forward radar system results in loss of both standard and adaptive cruise functions. The OnGuard system will recover (self-heal), once the issue goes away, but the driver cannot get Adaptive Cruise Control functional until the ignition switch is cycled. read more

Adding Fog Lamps or Auxiliary High Beams to Cascadia Vehicles

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General InformationNOTE: A Highline SAM Cab is required when adding auxiliary high beams (reference module 32A in PartsPro to determine if the vehicle was built with a Baseline or a Highline SAM Cab). Fog LampsThe fog lamp option works only when the marker or low beam lamps are on. The fog lamp control is part of the headlamp switch and is turned on by pulling the headlamp switch outward. The fog read more

New Cascadia vehicles built with a DD engine shutting down after 45 minutes of idling even when idle shutdown is disabled

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Applicable Vehicles:  This solution applies to all New Cascadia vehicles built with a DD (Detroit Diesel) engine. Symptoms:   The DD engine will shutdown after 45 min of idling, even when Idle shutdown is disabled. Issue: This is a new "feature" on all of the New Cascadia vehicles. It is called "inactive idle shutdown" and is present for fuel economy reasons.  The feature read more