CHEVROLET

N232427260

Manufacturer communications

Publication date: 2023-11-09
Received by NHTSA: 2023-11-09
NHTSA record numbers: 10245187

Manufacturer summary

Original wording in English

Customer Satisfaction Program - Certain vehicles may experience an illuminated Check Engine Malfunction Indicator Lamp (MIL) with Diagnostic Trouble Code (DTC) P2201 NOx Sensor Circuit Performance Sensor 1 and/or DTC P20EE Diesel Exhaust Fluid (DEF) System NOx Trap Low Efficiency set in the DEF Control Unit (DCU). Dealers will reprogram the diesel exhaust fluid control module with a corrected service calibration

NHTSA manufacturer communications ↗

Reported code forms

P20EE P2201

Check vehicle applicability

A listed vehicle is a research lead. Confirm the engine, production range and software in the manufacturer's information.

Make	Model	Model year
Chevrolet	6500HD	2021

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