Reference meaning
What does this code mean?
The wording below belongs to the named make and communication. Match the complete code, reporting module, model year and engine before applying it.
A code identifies a detected condition, not a part that must automatically be replaced.
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A listed vehicle is a research lead. Confirm the engine, production range and software in the manufacturer's information.
Before replacing a part
Record codes and freeze-frame data. Check battery condition, related codes and visible wiring or hose damage. Follow the vehicle's diagnostic procedure and test results before replacing parts.
Scan worksheet →Manufacturer wording
Source wording can vary by vehicle and suffix. It is shown as written, not as a universal diagnosis.
P2423HC ADSORPTION CATALYST FUNCTION
Manufacturer communications
2Original wording in English
NISSAN
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…
NISSAN
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 NTB20-0…
Check vehicle applicability
3A listed vehicle is a research lead. Confirm the engine, production range and software in the manufacturer's information.
Can I keep driving?
A code alone cannot establish whether driving is safe. A flashing malfunction light, severe shaking, overheating, oil-pressure warning or loss of braking or steering needs prompt attention. Stop in a safe place and seek assistance when control or engine safety is affected. Follow the vehicle handbook.