General InformationDetroit Diesel DD15 engines are equipped with two serpentine, poly-V drive belts and two automatic belt tensioners. The rear belt (closest to the engine block surface) drives the alternator, the A/C compressor, and the water pump. The other, front belt drives the engine fan. Both drive belts are kept at the correct tension by a system of pulleys and a dual automatic belt tension
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Applicable Vehicles
M2, M2 Plus, and New Cascadia vehicles with a Cummins diesel engine (B6.7, L9, X12, X15) that is equipped with the Cummins CM2450 engine controller.
Symptoms
Issues with regeneration of the aftertreatment system, coupled with either of the following Cummins engine controller fault codes:
Code 3558 (Aftertreatment 1 DEF Dosing Unit-Voltage Above Normal or Shorted To High S
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New Cascadia with Cummins engine and Wabco OnGuard, obtaining cruise when adaptive cruise Is interrupted
Posted by: Duaparts on
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.
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New Cascadia vehicles built with a DD engine shutting down after 45 minutes of idling even when idle shutdown is disabled
Posted by: Duaparts on
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
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Cascadia stop lights come on with engine brake
Posted by: Duaparts on
APPLICABLE VEHICLESAll CascadiaISSUECustomer does not want the brake lights to come on when the engine brake is active.DISCUSSION:Activation of the stop lights when the engine brake is applied is an optional feature. Activation of the stop lights occurs when the engine brake level selection switch is in the HI position and the engine is applying at least 70 percent of its braking power.The S
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The DD13 ® engine builds upon the Detroit industry-leading heavy-duty engine legacy and proven technologies to bring efficiency and performance to the next level. The DD13 engine offers the best of the best in cutting-edge diesel engine technology and engineering, resulting in the most reliable diesel engine for your truck.
Its features include:
A swirl piston design for better combus
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