Engine Controls - MIL ON, DTC P050B (Cold Start Cont.): Overview

Classification: EC12-002

Reference: NTB12-018

Date: February 16, 2012

2010-2012 ALTIMA WITH QR25DE FOR CALIFORNIA
MIL ON WITH P050B COLD START CONTROL

APPLIED VEHICLE: 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:

1. Refer to step 6 in the SERVICE PROCEDURE to confirm this bulletin applies to the vehicle you are working on.

2. If this bulletin applies, reprogram the ECM.

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.