G37 Coupe V6-3.7L (VQ37VHR) (2008)
Engine Control Module: All Technical Service Bulletins
Engine Controls - MIL ON/DTC P1421 Stored
Classification: EC10-038A
Reference: ITB10-076A
Date: April 26, 2011
2008-2010 G37; MIL "ON" WITH DTC P1421 STORED
This bulletin has been amended. Several changes have been made throughout the bulletin. Please discard all previous versions.
APPLIED VEHICLES:
2008 G37 Coupe (CV36)
2009-2010 G37 Sedan, Coupe & Convertible (V36, CV36, HV36)
IF YOU CONFIRM
An Applied Vehicle has the MIL ON with DTC P1421 (Cold Start Control) stored in the ECM.
ACTIONS
1. Refer to step 2 in the ECM Reprogramming section of the Service Procedure to confirm this bulletin applies to the vehicle you are working on.
2. If this bulletin applies reprogram the ECM.
3. If instructed reprogram the TCM.
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
ECM Reprogramming
1. Connect C-III to the vehicle to begin the reprogramming procedure.
If you are not familiar with the reprogramming procedure. Refer to "CONSULT-III (C-III) ECM Reprogramming" general procedure.