Installation Instructions

Part Number:


An industry leader in Big Rig Performance, Performance Diesel Inc. (PDI) has taken their industry-leading tuning that has delivered unbeatable results for efficiency and power and packaged it within a simple hand-held design. PDI’s Big Boss Performance Tuner [HD] brings all the benefits of tuning without all the hassle. Simply plug it into your diagnostics port and follow the easy instructions. Now big rig tuning can be your with just the press of a few buttons. Not only is the tuning easy to install but the simple design lets you customize gauges, change vehicle settings and read or clear codes.

Key Features & Benefits

  • Simple, Easy Install
  • Does Not Leave A Footprint
  • Fleet Password Lockout for Fleet Managers
  • Gauge Choices Can be Customized
  • 2 Added Power Levels, +10% Economy Tune & +15% Power Tune
  • Gain Fuel Mileage, Torque and Horsepower
  • DPF Manual Regeneration Test
  • DPF Restriction Test
  • Speed Limiter, Tire Size & Gear Ratio Adjustment
  • Read & Clear Diagnostic Trouble Codes
  • 1 Year Unlimited Mileage Manufacturer Warranty
  • Monitor EGT’s on Newer Trucks with Factory Pyrometer
  • 50 State Legal – CARB EO # D-773-5
  • Included Free Heavy Duty Magnet Mount Keeps the Monitor Where you Want it

Tuning has always been the simplest and most efficient way to access the fuel economy and horsepower that you deserve! Because every driver’s situation is different, the PDI Performance Tuner HD offers different stages of economy & performance to match your driving style, application, and performance upgrades.

Caterpillar Heavy Duty, Medium Duty, Gliders & Motorhomes

  • 2006-2019 C7, C9, C13 & C15 Acert
  • 2000-2005 3126B, 3126E, C7, C9, C12, C15, C16 w/9 Pin Diagnostic Port
  • 1994.5-2005 3126B, 3126E, 3406E, C7, C9, C12, C15, C15 Acert(BXS) & C16 w/6 Pin Diagnostic Port
  • 2010-2019 C12, C15 & C16 40 Pin ECM Gliders w/9 Pin Diagnostic Port


  • 2010-2023 ISB 6.7L, ISC 8.3L, ISL 8.9L, ISX 11.9L, ISM, ISX12, ISX15, X12 & X15


  • 2010-2021 DD13, DD15, DD16
  • 2003-2007 14.1L with 9 Pin Diag. Port
  • 1996-2003 Detroit 12.7L with 6 Pin Diagnostic Port
  • 12.7L Gliders with 9 Pin Diagnostic Port


  • 2010-2016 MX13
  • 2010-2023 PX7
  • 2010-2023 PX8
  • 2010-2023 PX9


Part Numbers: 734001, 734002, 734003, 734004, 734001-1708, 734001-1708-9, 735001


This product can expose you to chemicals which are known to the State of California to cause cancer. For more information go to
California Proposition 65 Notice
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