Diagnostic Aids

WARNING: This page is about a different variant/trim than selected.

Inspect the EGR cooler temperature sensor 1 and 2 terminals for corrosion.
Inspect the EGR cooler temperature sensor 1 and 2 wiring for pinches, cuts and damaged insulation.
EGR cooler temperature sensors may fail while operating under extreme temperatures. Review the Freeze Frame/Failure Records to verify the failure criteria.