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.
2012 Infiniti M56 V8-5.6L (VK56VD)FACTORY OEM SERVICE PROCEDURE
Computers/Controls - Reprogramming Utilizing CONSULT(R)
Classification: EC11-022A
Reference: ITB11-049A
Date: August 18, 2011
REPROGRAMMING WITH CONSULT
This bulletin has been amended. The statements below have changed. No other changes have been made. Please discard any previous copies.
APPLIED VEHICLES: All Infiniti vehicles with a reprogrammable ECU
SERVICE INFORMATION
If you have a reprogram that requires the use of CONSULT-II (C-II) and C-II is not available:
^ Refer to the chart below to determine CONSULT applicability.

CURRENT REPROGRAMMING APPLICABILITY CHART
Reprogramming C-II Loaner Program
(Available ONLY for reprogramming use)
^ Contact TECH LINE and they will determine if a C-II Loaner is needed. If so they will make arrangements for the loaner to be shipped.
^ Dealerships must return the C-II Loaner immediately after the reprogramming is completed.
^ If the Loaner is not returned within one week of delivery your FOM will be contacted to collect the unit.

Disclaimer
Reference: ITB11-049A
Date: August 18, 2011
REPROGRAMMING WITH CONSULT
This bulletin has been amended. The statements below have changed. No other changes have been made. Please discard any previous copies.
APPLIED VEHICLES: All Infiniti vehicles with a reprogrammable ECU
SERVICE INFORMATION
If you have a reprogram that requires the use of CONSULT-II (C-II) and C-II is not available:
^ Refer to the chart below to determine CONSULT applicability.
CURRENT REPROGRAMMING APPLICABILITY CHART
Reprogramming C-II Loaner Program
(Available ONLY for reprogramming use)
^ Contact TECH LINE and they will determine if a C-II Loaner is needed. If so they will make arrangements for the loaner to be shipped.
^ Dealerships must return the C-II Loaner immediately after the reprogramming is completed.
^ If the Loaner is not returned within one week of delivery your FOM will be contacted to collect the unit.
Disclaimer
Factory Service Tools
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Disclosure: Verified tool recommendations may earn an affiliate commission at no cost to you.
When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- β’ You smell fuel, burning insulation, or see smoke.
- β’ Brakes feel soft, pull hard to one side, or make grinding noises.
- β’ The engine overheats, stalls repeatedly, or misfires under load.
- β’ You are missing required tools, torque specs, or safe lifting equipment.
- β’ You are not confident in the next step or safety outcome.
Rather have a pro handle this?
A certified mobile mechanic comes to your home or office. They bring the tools, you stay comfortable. No tow truck, no waiting room, no surprises.
Comes to youSame-day available12-month warranty
Get a Free QuoteNo obligation. See pricing before you book.
