Diagnostic Aids
WARNING: This page is about a different variant/trim than selected.
- A leak in the reductant system can be located by inspecting for a build-up of crystallized diesel exhaust fluid (Reductant).
- Water in the Reductant tank will cause DTCs to set.
- Using the Reductant Injector Device Control, a ticking sound should be heard at the reductant injector.
- Using fuel other than ultra low sulfur content fuel will cause this DTC to set.