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P2423 · Manufacturer communications

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

P2423 ← What does this code mean?

2 Results

R1720 2010-12 Al ↗

NISSAN · 2020-03-27

Non-Methane Organic Gases (NMOG) Engine Control Module (ECM) Reprogram Voluntary Emission Recall Campaign ***** Campaign Summary ***** Nissan is conducting a Voluntary Emissions Recall Campaign on approximately 116,479 specific MY2010-12 Altima 2.5L SULEV vehicles identified in Service Comm to reprogram the Engine Control Module (ECM) to assure compliance with the applicable United States SULEV emission specifications. The subject vehicles may be equipped with an improperly calibrated ECM that, if not repaired, may potentially cause exhaust gas emissions to exceed standards at high mileage. This incident has no effect on safety, performance, drivability or fuel consumption. In addition to reprogramming the ECM, Nissan is also extending the emission warranty coverage on the front exhaust…

NTB20-020 ↗

NISSAN · 2020-03-26

2010-2012 ALTIMA; MIL ON WITH DTC P2423 NOTE: The warranty period for the front exhaust tube with catalyst (20010-ZX10A) has been extended on the Applied Vehicles if the following criteria are met: ï‚· - The MIL is ON and DTC P2423 is stored in the ECM. ï‚· - The VIN is shown in SERVICE-COMM under “L32 NMOG EXT_DTC P2423 NTB20-020.” ï‚· - The vehicle is within the L32 NMOG Warranty Extension period (refer to Table 1). IF YOU CONFIRM The MIL is ON and DTC P2423 (HC ADSORPTION CATALYST FUNCTION) is stored in the ECM, AND The vehicle is within the L32 NMOG Warranty Extension period, AND L32 NMOG EXT_DTC P2423 NTB20-020 appears in SERVICE-COMM for the vehicle. ACTION Replace the front exhaust tube with catalyst.