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Home >> Nissan-Datsun >> 2021 >> NV2500 HD S >> Repair and Diagnosis >> External Pages >> Different car >> Section 40 (Cruise Control System (DTC/Circuit Diagnosis)) >> DTC / Circuit Diagnosis >> DTC C1A21: Unit High Temp >> DTC Description >> Possible Cause

Possible Cause

WARNING: This page is about a different car, the 2018 Nissan Maxima. However, it is still accessible from the selected car via links, so may be relevant.

Temperature around the distance sensor (ICC sensor) becomes extremely low or high.