Case IH Tractor DCU 19011 Fault Code Guide
What DCU 19011 Means DCU 19011 is a Case IH tractor fault code from the DCU controller in the emissions / aftertreatment category. Official description: Temperature sensor after catalyst (electrical) | signal low | P042C Catalyst Temperature Sensor Circuit Low. In practical terms, this code indicates that the DCU is seeing a low electrical signal…