Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
2010-2012 ALTIMA With Qr25DE For CALIFORNIA Mil On With P050B Cold Start Control (NTB12-018)
2012 Nissan-Datsun Altima BaseSECTION 2010-2012 ALTIMA With Qr25DE For CALIFORNIA Mil On With P050B Cold Start Control (NTB12-018)
Publication date: 2012-02-16
Reference number: NTB12-018
2010-2012 ALTIMA WITH QR25DE FOR CALIFORNIA MIL ON WITH P050B COLD START CONTROL
Reference number: NTB12-018
2010-2012 ALTIMA WITH QR25DE FOR CALIFORNIA MIL ON WITH P050B COLD START CONTROL
TECHNICAL SERVICE BULLETIN
Reference Number(s): NTB12-018, Date of Issue:
February 16, 2012
| NISSAN: | 2010 - 2012 Altima Sedan and Coupe (L32 and CL32) |
| CLASSIFICATION: | EC12-002 |
| APPLIED VEHICLES: | 2010 - 2012 Altima Sedan and Coupe (L32 and CL32) |
| APPLIED ENGINE: | QR25DE (4-cyl engine) with California emissions only |
IF YOU CONFIRM
The MIL is ON with DTC P050B (Cold Start Control) stored in the ECM.
ACTION
- Refer to step 6 in the SERVICE PROCEDURE to confirm this bulletin applies to the vehicle you are working on.
- If this bulletin applies, reprogram the ECM.
CLAIMS INFORMATION
Submit a Primary Part (PP) type line claim using the following claims coding:
CLAIMS INFORMATION
| DESCRIPTION | PFP | OP CODE | SYM | DIA | FRT |
|---|---|---|---|---|---|
| Reprogram ECM | (1) | DE97AA | HD | 32 | (2) |
| (1) Reference the Repair Order and use the current ECM P/N written down in step 6 of the Service Procedure as the PFP. (2) Reference the current Nissan Warranty Flat Rate Manual and use the indicated FRT |
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IMPORTANT:
The purpose of ACTION (above) is to give you a quick idea of the work you will be performing. You MUST closely follow the entire
SERVICE PROCEDURE as it contains information that is essential to successfully completing this repair.
SERVICE PROCEDURE
NOTE:
- Most instructions for reprogramming with CONSULT-III plus (C-III plus) are displayed on the CONSULT PC screen.
- If you are not familiar with the reprogramming procedure, CLICK HERE . This will link you to the "CONSULT-III plus (C-III plus) Reprogramming" general procedure.
- Take the vehicle for a 10 minute drive in order to meet the following Idle Air Volume Learn (IAVL) conditions:
- Engine coolant temperature: 70 -100°C (158 - 212°F)
- Battery voltage: More than 12.9V (At idle)
- Transmission: Warmed up
- After reprogramming is complete, you will be required to perform Throttle Valve Closed Position, Idle Air Volume Learn, Accelerator Closed Position, and DTC erase.
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.