CBR-2112 202307

Service Bulletin Details

Public Details for: CBR-2112 202307

Cbr: programming failure - chassis with cummins engine and an allison transmission


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Uncontrolled Copy
ID #
CBR-2112
Version
4
Print
Title
Programming Failure - Chassis With Cummins Engine And An Allison Transmission
Abstract
It has been found that some units with a Cummins engine and an Allison transmission may be able to read
parameters but unable to program multiple OEM modules.
Content
It has been found that some units with a Cummins engine and an Allison transmission may be able to read
parameters but unable to program parameters.
Advise to follow this procedure :
1. Remove the fuse for the Allison transmssion.
2. While disconnected from the truck, finish work in PTT and remove this vehicle from the " Latest Selections "
list.
3. Connect to the truck’s 16 pin diagnostic connector and read the vehicle data (minus the Allison and
Cummins). Parameter programming should now function properly for chassis related programing with the
Allison disconnected.
4. Reconnect the fuse and read/clear DTC’s.
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Tags
cummins
allison
parameter programing
Categories
Vehicle System > Control Systems
; Live UI


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