GM Diesel Scan and Tune

Supported Controllers

Supported Engine Controllers

LB7 Duramax 6.6L 2001-2004
LLY Duramax 6.6L 2004-2005
LBZ/LMM Duramax 6.6L 2006-2010
LML Duramax 6.6L1 2011-2016
E98 2014-2021
E20 - Family Z 2011-2017

1 Factory read restriction prevents reading Duramax 2011-16 LML (E86A and E86B) controllers. Users must obtain a base file.

Supported Transmission Controllers

AL5 Allison 5 Speed TCM 2001-2005
A40 Allison 6 Speed TCM 2006-2009
A50 Allison 6 Speed TCM 2009-2015
T43 6 Speed TCM 2007-2019

Read/Flash Only ECMs (mapping not supported)

E47 - 2014-2015 Family B (USA)
Scan Tool Features
  • Data Logging
  • Read & Clear DTCs
  • GM Specific PIDs
  • Create Calculated PIDs
  • Virtual Dashboards
  • Charts, Tables, 3D Maps
  • Share Logs, Config Files & Templates
Tune Tool Features
  • ECM Read
  • ECM Flash
  • Tuning Parameters
  • Define your own parameters
  • 3D & 2D tables for editing
  • Controller Authorization
  • Tools for easy editing (smooth, blend, %)
  • Scripts to automate changes
  • Tune Security & Locking

Parameter Control

(Adjustable Options vary for each vehicle and are not available on all vehicles)

Injection Amount & Timing
  • Control Main, Pilot and Post injection amounts for all modes
  • Control Main, Pilot and Post injection timing for all modes
  • Control Maximum number of injection events
RPM Limiters
  • Set various RPM limiters
  • Control over engine torque curve
Turbo Parameters
  • Control over VGT position
  • Engine braking control
Fuel Pressure
  • Control Fuel Pressure for all operating modes

DSP5 & DSP4 - Support Matrix

FlashScanAutoCalEFIlive Android AppDSP4DSP5
Custom OS# Tune PositionsFlashScanAutoCalEFILive Android AppSoCal Diesel DSP4 SwitchSoCal Diesel DSP5 Switch
E98 DSP4 (2.8L only) 4

Available Duramax PIDs

(Available PIDs vary on each supported platform)

  • Ambient Air Pressure
  • Ambient Air Temperature
  • Battery Voltage
  • Boost Pressure
  • Charge Cooler Temperature
  • Coolant Temp
  • Current DSP5 Tune
  • DPF Scoot Level
  • EGR Position
  • EGR Temperature
  • Engine Torque
  • Exhaust Temp
  • Fuel Pressure Actual
  • Fuel Pressure Desired
  • Injection Time
  • Intake Manifold Temperature
  • Intake Throttle Percent
  • MAF Flow
  • Main Injection Fuel Quantity
  • Main Injection Timing
  • Oil Pressure
  • Pedal Position
  • Pilot Fuel Quantity
  • Pilot Timing
  • Post Fuel Quantity
  • Post Timing
  • RPM
  • Vehicle Speed
  • VGT Actual Position
  • VGT Desired Position


Looking at purchasing FlashScan but unsure if the EFILive software is suited to you? Download the EFILive software and User Guide and take a look around. The EFILive software remains in Demo mode when FlashScan is not connected or product registration information is not entered, so download today.

NOTE: FlashScan is required for interaction with the vehicle, and for saving edited tune files.