Versa L4-1.8L (MR18DE) (2009)
Engine Control Module: All Technical Service Bulletins
Engine Controls - DTC P1421 Stored In Memory
Classification: EC09-02A
Reference: NTB09-116A
Date: November 30, 2010
2007-2010 VERSA; DTC P1421 STORED
This bulletin has been amended. APPLIED VEHICLES, the SERVICE PROCEDURE, and the ECM table have been revised. Please discard all previous
copies of this bulletin.
APPLIED VEHICLE: 2007 - 2010 Versa (C11) with MR18DE engine ONLY
IF YOU CONFIRM:
DTC P1421 (Cold Start Emission Reduction Strategy Monitoring) is stored in the ECM.
and
There are no drivability symptoms.
ACTIONS:
1. If there are any drivability symptoms, resolve them first.
NOTE:
This bulletin does not cover drivability symptoms. Refer to ASIST for further diagnosis.
2. Refer to Step 3 in the SERVICE PROCEDURE to confirm this bulletin applies to the vehicle you are working on.
3. If this bulletin applies, reprogram the ECM.
CLAIMS INFORMATION
IMPORTANT:
The purpose of ACTIONS (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
1. If there are drivability symptoms, resolve them first, and then continue to Step 2.
2. Connect C-III to the vehicle to begin the reprogramming procedure.