Allison TCMs

 
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Allison A40 TCM with DDP Trans tuning Allison A50 TCM with DDP Trans tuning
Allison A40 TCM with DDP Trans tuningAllison A50 TCM with DDP Trans tuning
The A40 Transmission Control Module found in the 2006-2008 2500/3500 Duramax is prone to failure. The internal circuit board fails and is not serviceable. When this failure occurs the truck owner may experience Range Shift Inhibited, Service...

The A50 Transmission Control Module found in the 2009-2015 Duramax is prone to failure. The internal circuit board fails and is not serviceable. When this failure occurs the truck owner may experience Range Shift Inhibited, Service Brake System,...

$675.00

$675.00