Commercial truck and engine diagnostic trouble code solutions

Coverage

The diagnostic coverage provided is unmatched in the industry. We cover all on-highway commercial diesel trucks used in North America, both domestic and imports. This coverage includes engine, ABS, transmission, cab controllers, and more.

Caterpillar CAT Diagnostic Codes

CAT On Highway Engine Coverage

All Caterpillar engines are covered since they have went electronic in the mid 1990s up to the mid-2000s when CAT decided to leave the commercial truck market.

Engine ModelQuick Fault Code Info (Free)Wiring Diagrams (Premium)Step-By-Step Repair Info (Premium)
3126BYesYes
3126E (Prefix DPF)YesYes
3126E (Prefix HEP)YesYes
3126E (Prefix LEF)YesYes
3406E (Prefix 1MM or 2WS)YesYes
3406E (Prefix 5DS or 1LW)YesYes
3406E (Prefix 5EK or 6TS)YesYes
C7 (Prefix C7S)YesYes
C7 (Prefix FML, FMM, JRT, or RMF)YesYes
C7 (Prefix KAL or SAP1-3955)YesYes
C7 (Prefix LBM, NPH, WAX, or SAP3956-Up)YesYes
C7 (Prefix YPG or C7T)YesYes
C9 (Prefix 6PZ or 7JZ)YesYes
C9 (Prefix C9S)YesYes
C9 (Prefix ETK or 9DF6040-Up)YesYes
C9 (Prefix MFF)YesYes
C9 (Prefix MTB)YesYes
C10 (Prefix 2PN)YesYes
C10 (Prefix 3CS)YesYes
C10 (Prefix 8YS)YesYes
C10 (Prefix MBJ)YesYes
C11 (Prefix KCA)YesYes
C12 (Prefix 1YN)YesYes
C12 (Prefix 2KS, CPD, or 8YF)YesYes
C12 (Prefix 9NS)YesYes
C12 (Prefix MBL)YesYes
C13 (Prefix JAM)YesYes
C13 (Prefix KCA)YesYes
C13 (Prefix KCB)YesYes
C13 (Prefix LEE)YesYes
C15 (Prefix 6NX, 9NZ, or EGH)YesYes
C15 (Prefix SDP)YesYes
C15 (Prefix BXS)YesYes
C15 (Prefix MBN)YesYes
C16 (Prefix 7CZ)Yes
C18 (Prefix CJP, MDP, or MEP)Yes
CT11Yes
CT13Yes

Allison Transmission Codes

Allison Transmission Coverage

Allison Transmissions using WTEC III (Late 1990s) and newer is covered. This includes Generation 3 (1998-2004), Generation 4 (2005-2012), and Generation 5 (2012 to Current). This includes:

Transmission ModelQuick Fault Code Info (Free)Wiring Diagrams (Premium)Step-By-Step Repair Info (Premium)
1000 & 2000 Series (Gen 4)YesYesYes
1000 & 2000 Series (Gen 5)Yes
3000 & 4000 Series (Gen 4)Yes
3000 & 4000 Series (Gen 5)Yes
WTEC IIYes
WTEC IIIYesYes

Bendix ABS Codes

Bendix Truck & Trailer ABS Systems

There are two dominate players in the commercial truck market for air ABS systems, and Bendix is one of them. We cover both the commercial truck and the trailer ABS braking systems.

ABS ModelQuick Fault Code Info (Free)Wiring Diagrams (Premium)Step-By-Step Repair Info (Premium)
EC-30 (Truck)YesYes
EC-60 (Truck)YesYesYes
EC-80 (Truck)YesYes
TABS-6 (Trailer)Yes

Cummins Engine Diagnostic Codes

Cummins Engine Coverage

Cummins is one of the most popular engines in North America, as they have been used in all truck manufacturers at one point or another. Our database has you covered from 1999 to current model years.

Engine ModelQuick Fault Code Info (Free)Wiring Diagrams (Premium)Step-By-Step Repair Info (Premium)
ISB CM550 (1990-94)YesYesYes
ISB CM850 (2003-06)YesYes
ISB6.7 CM2150 (2007-09)YesYes
ISB6.7 CM2250 (2010-12)YesYesYes
ISB6.7 CM2350 (2013-18)YesYesYes
ISB4.5 CM2150 (2007-09)Yes
ISC CM554 (1998-02)YesYes
ISC CM850 (2003-06)YesYes
ISC CM2150 (2007-09)YesYes
ISC8.3 CM2250 (2010-12)YesYesYes
ISL CM554 (1998-02)YesYesYes
ISL CM850 (2003-06)YesYes
ISL9 CM2150 (2007-09)
ISL9 CM2250 (2010-12)YesYesYes
ISL9 CM2350 (2013-18)YesYes
ISM CM570 (1999-02)YesYesYes
ISM CM870 (2003-06)YesYes
ISM CM875 (2003-06)YesYesYes
ISM CM876 (2007-09)YesYes
ISX CM570 (1999-02)YesYes
ISX CM870 (2003-06)YesYes
ISX CM871 (2007-09)YesYesYes
ISX12 CM2250 (2010-12)YesYesYes
ISX12 CM2350 (2013-18)YesYesYes
ISX15 CM2250 (2010-12)YesYesYes
ISX15 CM2350 (2013-18)YesYesYes
M11 CELECT (1990-94)YesYesYes
M11 CELECT Plus (1995-98)YesYesYes
N14 CELECT (1990-94)YesYesYes
N14 CELECT Plus (1995-98)YesYesYes
Signature CM570 (1999-02)YesYesYes

Detroit Engine Codes

Detroit Diesel Engine & Transmission Coverage

Detroit Diesel Engines, used predominately in Freightliner, Sterling, and Western Star Trucks, is 100% covered from the old DDEC II (Early 1990s) to the current EPA 2013 emission year engines.

Engine & Transmission ModelQuick Fault Code Info (Free)Wiring Diagrams (Premium)Step-By-Step Repair Info (Premium)
Series 60 - DDEC II
Series 60 - DDEC IIIYesYes
Series 60 - DDEC IVYesYes
Series 60 - DDEC VYes
DD5 (All Years)
DD8 (All Years)
DD13 (All Years)YesYes
DD15 (All Years)YesYes
DD16 (All Years)YesYes
DT12 TransmissionYesYesYes

Eaton Transmission Codes

Eaton Transmission Coverage

Eaton Transmissions introduced electronic transmissions in the early 2000s, and has since then captured a large portion of the transmission market with their improvements in the semi-automatic transmission market.

Engine ModelQuick Fault Code Info (Free)Wiring Diagrams (Premium)Step-By-Step Repair Info (Premium)
AutoShift (Generation 1)YesYes
AutoShift (Generation 2)YesYesYes
AutoShift (Generation 3)YesYesYes
UltraShift (All Generations)YesYesYes

Ford Engine Codes

Ford Powerstroke Coverage

Although the Ford PowerStroke engines were manufactured by International Truck & Engine for many years, the electronics on these engines are different.

Engine ModelQuick Fault Code Info (Free)Wiring Diagrams (Premium)Step-By-Step Repair Info (Premium)
Ford 6.0L (2003-05)YesYes
Ford 6.7L (All Years)Yes
Ford 7.3L (2003)Yes

Freightliner Truck Codes

Freightliner Cab and Chassis Controllers

Our system covers the body and chassis controllers for the Freightliner product line.

ECM ModelQuick Fault Code Info (Free)Wiring Diagrams (Premium)Step-By-Step Repair Info (Premium)
MBE4000YesYes
MBE900YesYes

Caterpillar CAT Diagnostic Codes

Mitsubishi FUSO Coverage

Imported from Japan, the Mitsubishi FUSO Canter is covered.

ECM ModelQuick Fault Code Info (Free)Wiring Diagrams (Premium)Step-By-Step Repair Info (Premium)
Fe & Fg SeriesYes
Canter (2012-14)YesYes
Canter (2014.5)YesYes
Canter (2015-16)YesYes

Caterpillar CAT Diagnostic Codes

Sprinter Trucks (Dodge, Mercedes-Benz, and Freightliner)

The Sprinter truck can be manufactured by Dodge, Mercedes-Benz, or Freightliner. Our database currently covers the following:

ECM ModelQuick Fault Code Info (Free)Wiring Diagrams (Premium)Step-By-Step Repair Info (Premium)
OM612 (2002-03)YesYes
OM647 (2004-06)YesYes

HINO Engine Codes

HINO Truck Coverage

Imported from Asia, the HINO Trucks are also covered for select engines.

ECM ModelQuick Fault Code Info (Free)Wiring Diagrams (Premium)Step-By-Step Repair Info (Premium)
15x & 19x Series ABS with EBD (2014-18)Yes
15x & 19x Series Transmission & Clutch (2014-18)Yes
15x & 19x Series DEF & VCU (2015-18)Yes
15x & 19x Series Hybrid Inverter & BatteryYes
2xx & 3xx Series DEF & VCU (2011-18)Yes
J05C-TD Engine (2003-2004)Yes
J05D-TA Engine (2002-2007)Yes
J05D-TF Engine (2005-2010)Yes
J05E Engine (2014-18)Yes
J08C-TP Engine (2003-2004)Yes
J08C-TR Engine (2003-2004)Yes
J08E (2001-2018)Yes
J08E-TA Engine (2002)Yes
J08E-TB Engine (2002)Yes
J08E-TV Engine (2005-10)Yes
J08E-TW (2005-10)Yes

International Engine Codes

International Truck & Engine Coverage

International has a wide range of engines, all of which are covered.

ECM ModelQuick Fault Code Info (Free)Wiring Diagrams (Premium)Step-By-Step Repair Info (Premium)
Body Controller - ProStar (2006-Current)Yes
Body Controller - Medium Duty (2009 & Older)Yes
DT466 (2000-03)YesYesYes
DT466 (2004-06)YesYesYes
DT466E (1999 & Older)YesYes
DT530 (2000-03)YesYesYes
DT530 (2004-06)YesYesYes
DT530E (1999 & Older)YesYes
DT570 (2004-06)YesYesYes
HT570 (2004-06)YesYesYes
MaxxForce 10 (2007-09)YesYesYes
MaxxForce 10 (2010 & Newer)YesYes
MaxxForce 11 (2007-09)YesYesYes
MaxxForce 11 (2010 & Newer)YesYes
MaxxForce 13 (2007-09)YesYesYes
MaxxForce 13 (2010 & Newer)YesYes
MaxxForce 15 (All Years)Yes
MaxxForce 5 (2007-09)YesYes
MaxxForce 7 (2007-09)YesYes
MaxxForce 7 (2010 & Newer)YesYes
MaxxForce 9 (2007-09)YesYes
MaxxForce 9 (2010 & Newer)Yes
MaxxForce DT (2007-09)YesYes
MaxxForce DT (2010 & Newer)Yes
N9YesYes
N10YesYes
N13YesYes
T444EYesYes
VT275YesYesYes
VT365YesYes

Isuzu Engine Codes

Isuzu Trucks

Isuzu Trucks are also imported from Asia, with two main engines. Both of which we have you covered.

ECM ModelQuick Fault Code Info (Free)Wiring Diagrams (Premium)Step-By-Step Repair Info (Premium)
F-Series 4HK1 5.2L (2018-19)Yes
F-Series 6HK1 7.8L (2002-09)Yes
N-Series 4HK1 5.2L (2011-19)Yes
N-Series 4HK1-TC 5.2L (2005-10)Yes
N-Series 4JJJ 3.0L (2011-18)Yes

Mack Engine Truck Codes

Mack Trucks, Engines, and Other Systems

Mack, which is owned by Volvo, is covered as well.

ECM ModelQuick Fault Code Info (Free)Wiring Diagrams (Premium)Step-By-Step Repair Info (Premium)
All Engines (2003 & Older VMAC III)YesYes
All Engines (2004 Emissions)Yes
All Engines (2007 Emissions)Yes
All Engines (2010 Emissions)Yes
All Engines (2013 Emissions)Yes
All Engines (2015 Emissions)Yes
mDrive Transmission (2007)Yes
mDrive Transmission (2010)YesYes
mDrive Transmission (2013)Yes
MID 140 Instrument Panel (2004)Yes
MID 140 Instrument Panel (2013)Yes
MID 142 SatelliteYes
MID 144 Vehicle (2004)Yes
MID 144 Vehicle (2007)Yes
MID 144 Vehicle (2013)Yes
MID 146 Climate ControlYes
MID 206 RadioYes
MID 216 Lighting Control ModuleYes
MID 223 Transmission Shifter (2007)Yes
MID 223 Transmission Shifter (2013)Yes
MID 232 Safety RestraintYes

Volvo Truck Engine Codes

Volvo Trucks, Engines, and Other Systems

Volvo coverage includes engine, transmissions, transmission shifter, cab components, and much more.

ECM ModelQuick Fault Code Info (Free)Wiring Diagrams (Premium)Step-By-Step Repair Info (Premium)
All Engines (2004 Emissions)Yes
All Engines (2007 Emissions)Yes
All Engines (2010 Emissions)Yes
All Engines (2013 Emissions)Yes
All Engines (2015 Emissions)Yes
mDrive Transmission (2007)Yes
mDrive Transmission (2010)YesYes
mDrive Transmission (2013)Yes
MID 140 Instrument Panel (2004)Yes
MID 140 Instrument Panel (2013)Yes
MID 142 SatelliteYes
MID 144 Vehicle (2004)Yes
MID 144 Vehicle (2007)Yes
MID 144 Vehicle (2013)Yes
MID 146 Climate ControlYes
MID 206 RadioYes
MID 216 Lighting Control ModuleYes
MID 223 Transmission Shifter (2007)Yes
MID 223 Transmission Shifter (2013)Yes
MID 232 Safety RestraintYes

MBE900 MBE4000 Engine Codes

MBE900 & MBE4000 Engines

The MBE900 (Medium Duty Engine) and the MBE4000 (Heavy Duty Engine) were used in the Freightliner, Sterling, and Western Star Trucks.

ECM ModelQuick Fault Code Info (Free)Wiring Diagrams (Premium)Step-By-Step Repair Info (Premium)
MBE4000YesYes
MBE900YesYes

PACCAR MX Engine Code

PACCAR Engines

Used in both Kenworth and Peterbilt trucks, we have all the PACCAR coverage you would ever need.

ECM ModelQuick Fault Code Info (Free)Wiring Diagrams (Premium)Step-By-Step Repair Info (Premium)
Body Controller (2005-09)Yes
Body Controller (2010)Yes
Body Controller (2012)Yes
Body Controller (2013)Yes
MX Engines (2010 Emissions)YesYes
MX Engines (2013 Emissions)YesYes
MX Engines (2017 Emissions)YesYes
MX Euro Engines (2004 Emissions)Yes
PX-7 CM2350 (2013 - Current)Yes
PX-9 CM2350 (2013 - Current)Yes

UD Nissan Engine Codes

UD Nissan

UD Nissan coverage is as follows.

ECM ModelQuick Fault Code Info (Free)Wiring Diagrams (Premium)Step-By-Step Repair Info (Premium)
UD Nissan Engines (2005-07)Yes

WABCO ABS Codes

Wabco ABS

WABCO is the most common ABS system on the market, used in both commercial trucks and trailers.

ECM ModelQuick Fault Code Info (Free)Wiring Diagrams (Premium)Step-By-Step Repair Info (Premium)
C-Version (Air)Yes
C-Version (Hydraulic)Yes
D-Version (Air)YesYes
D-Version (Hydraulic & Cab Mounted)YesYes
D-Version (Hydraulic & Frame Mounted)YesYes
E-Version (Air)YesYes
E-Version (Hydraulic)YesYes
Easy Stop (Trailer)Yes
Hydraulic Power Brakes (HPB)YesYes
Trailers & DolliesYes

WABCO ABS Codes

Workhorse Custom Chassis

Workhorse makes chassis’s that are used in delivery vehicles, motor homes, and other various equipment.

ECM ModelQuick Fault Code Info (Free)Wiring Diagrams (Premium)Step-By-Step Repair Info (Premium)
8.1L Engine (2008-09)Yes

WABCO ABS Codes

Thomas Bus

While the power train components are from other manufacturers, we did consolidate them all into one place to make it easier for customers to find repair information.

ECM ModelQuick Fault Code Info (Free)Wiring Diagrams (Premium)Step-By-Step Repair Info (Premium)
Allison 1000 & 2000 SeriesYes
Allison 3000 SeriesYes
Body Controller BHM (J1587 & J1708)Yes
Body Controller BHM (J1939)Yes
CAT EnginesYes
Cummins Engines (J1587 & J1708)Yes
Cummins Engines (J1939)Yes
WABCO ABSYes

WABCO ABS Codes

ThermoKing

ThermoKing makes refrigeration units for trucks and trailers, along with APUs used on commercial trucks.

ECM ModelQuick Fault Code Info (Free)Wiring Diagrams (Premium)Step-By-Step Repair Info (Premium)
Smart Reefer 2 (SR-2)Yes
TriPacYes

WABCO ABS Codes

GMC Truck

GMC Trucks run DuraMax engines, which are rebranded Isuzu engines.

ECM ModelQuick Fault Code Info (Free)Wiring Diagrams (Premium)Step-By-Step Repair Info (Premium)
T-Series 6HK1 7.8L (2004-09)Yes
W-Series 4HK1-TC 5.2L (2005-10)Yes
W-Series 6HK1 7.8L (2002-04)Yes