Service bulletins for the 2010 Nissan Altima
A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.
140 on file from NHTSA, as of 2026-10-19.
About P2423 on the 2010 Nissan Altima: what the code means, and the bulletins and recalls about the same components.
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By component
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Only bulletins with trouble code: P2423 are shown. Show all
| R1720 2010-12 Al | 2020-04-09. Service bulletin. ENGINE AND ENGINE COOLING. 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 tube in the unlikely event that Diagnostic Trouble Code (DTC) P2423 is present, to the following: *All other warranty terms remain the same. ***** What Dealers Should Do**** 1. Verify campaign applicability using Service Comm or DBS National Service History – Open Campaign I.D. R1720. 2. Dealers should use NTB20-022 to remedy any vehicles subject to this campaign. 3. Once repaired, dealers should submit the claim, using the claims coding provided, and release the vehicle. 4. For verification of warranty extension coverage, refer to the extended warranties section in Service Comm or DBS National service history. Coverage will be identified as: L32 NMOG EXT_DTC P2423 NTB20-020. |
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| NTB20-020 | 2020-04-08. Service bulletin. ENGINE AND ENGINE COOLING. 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: • - The MIL is ON and DTC P2423 is stored in the ECM. • - The VIN is shown in SERVICE-COMM under “L32 NMOG EXT_DTC P2423 NTB20-020.” • - 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. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.