Case IH Tractor DCU 19056 Fault Code Guide
What DCU 19056 Means On a Case IH tractor, fault code DCU 19056 is an emissions / aftertreatment fault logged by the DCU. The official description is: UREA temperature sensor in box electrical, signal low; P2044 reagent temperature sensor of pump module, short circuit low. In practical terms, the controller is seeing a low electrical…