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Home >> Nissan-Datsun >> 2021 >> NV2500 HD S >> Repair and Diagnosis >> External Pages >> Different car >> Section 215 (Engine Control System (DTC/Circuit Diagnosis) (CUMMINS 5.0L) (2 Of 6)) >> DTC/Circuit Diagnosis >> DTC P026A-00: Charge Air Cooler Efficiency Below Normal >> DTC Description >> DTC Detection Logic

DTC Detection Logic

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

The Engine Control Module (ECM) detected the Charge Air Cooler Temperature was higher than estimated.

DTC

CONSULT screen terms

(Trouble diagnosis content)

DTC detection condition

P026A-00

(Charge Air Cooler Efficiency Below Threshold)

Diagnosis condition

Engine running.

Signal (terminal)

(-)

Threshold

Cumulative sum of error in 50 seconds is > 600°C, which is ≥ 12°C. Where tolerance is defined as 0°C.

Diagnosis delay time

Diagnostic runs continuously when the engine is running