Inspect the electrical path
Check G62 wiring and connections before condemning the sensor. Record whether the complaint is a starting problem, an indicated-temperature change, or both; that gives the repairer a reproducible condition to investigate.
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Verify related hardware
Ross-Tech also calls for confirming the correct coolant-fan controller or relay part number against the parts catalog. A physically fitting relay is not sufficient evidence of the correct application.
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Sources / references 1
- Ross-Tech fault reference ↗Reviewed Oct 8, 2026
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