TSB Document:

• MC-10125577-9999.pdf

Affected Component: ENGINE AND ENGINE COOLING:EXHAUST SYSTEM

Summary

Supersedes Technical Service Bulletin Group 26 number 12-13 dated August 31, 2012. The MIL is on. DTCs are stored in the ECM. The quality of the auxiliary exhaust gas recirculation (EGR) cooler modules manufactured within a certain timeframe may be inadequate. The vacuum actuator diaphragm may have leaks. A faulty auxiliary EGR cooler will trigger a P310E fault. Faulty operation of the auxiliary EGR cooler can also trigger the P040B fault, but there is no issue with the temperature sensor.

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