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.

 
Click here to see CAT coverage
Engine Model Quick Fault Code Info (Free) Wiring Diagrams (Premium) Step-By-Step Repair Info (Premium)
3126B Yes Yes  
3126E (Prefix DPF) Yes Yes  
3126E (Prefix HEP) Yes Yes  
3126E (Prefix LEF) Yes Yes  
3406E (Prefix 1MM or 2WS) Yes Yes  
3406E (Prefix 5DS or 1LW) Yes Yes  
3406E (Prefix 5EK or 6TS) Yes Yes  
C7 (Prefix C7S) Yes Yes  
C7 (Prefix FML, FMM, JRT, or RMF) Yes Yes  
C7 (Prefix KAL or SAP1-3955) Yes Yes  
C7 (Prefix LBM, NPH, WAX, or SAP3956-Up) Yes Yes  
C7 (Prefix YPG or C7T) Yes Yes  
C9 (Prefix 6PZ or 7JZ) Yes Yes  
C9 (Prefix C9S) Yes Yes  
C9 (Prefix ETK or 9DF6040-Up) Yes Yes  
C9 (Prefix MFF) Yes Yes  
C9 (Prefix MTB) Yes Yes  
C10 (Prefix 2PN) Yes Yes  
C10 (Prefix 3CS) Yes Yes  
C10 (Prefix 8YS) Yes Yes  
C10 (Prefix MBJ) Yes Yes  
C11 (Prefix KCA) Yes Yes  
C12 (Prefix 1YN) Yes Yes  
C12 (Prefix 2KS, CPD, or 8YF) Yes Yes  
C12 (Prefix 9NS) Yes Yes  
C12 (Prefix MBL) Yes Yes  
C13 (Prefix JAM) Yes Yes  
C13 (Prefix KCA) Yes Yes  
C13 (Prefix KCB) Yes Yes  
C13 (Prefix LEE) Yes Yes  
C15 (Prefix 6NX, 9NZ, or EGH) Yes Yes  
C15 (Prefix SDP) Yes Yes  
C15 (Prefix BXS) Yes Yes  
C15 (Prefix MBN) Yes Yes  
C16 (Prefix 7CZ) Yes    
C18 (Prefix CJP, MDP, or MEP) Yes    
CT11 Yes   Yes
CT13 Yes   Yes
 
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:

Click here to see Allison coverage
Transmission Model Quick Fault Code Info (Free) Wiring Diagrams (Premium) Step-By-Step Repair Info (Premium)
1000 & 2000 Series (Gen 4) Yes Yes Yes
1000 & 2000 Series (Gen 5) Yes    
3000 & 4000 Series (Gen 4) Yes    
3000 & 4000 Series (Gen 5) Yes   Yes
WTEC II Yes    
WTEC III Yes Yes Yes
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.

Click here to see Bendix coverage
ABS Model Quick Fault Code Info (Free) Wiring Diagrams (Premium) Step-By-Step Repair Info (Premium)
EC-30 (Truck) Yes Yes  
EC-60 (Truck) Yes Yes Yes
EC-80 (Truck) Yes Yes Yes
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.

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

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Engine & Transmission Model Quick Fault Code Info (Free) Wiring Diagrams (Premium) Step-By-Step Repair Info (Premium)
Series 60 – DDEC II
Series 60 – DDEC III Yes Yes
Series 60 – DDEC IV Yes Yes
Series 60 – DDEC V Yes
DD5 (All Years)
DD8 (All Years)
DD13 (All Years) Yes Yes
DD15 (All Years) Yes Yes
DD16 (All Years) Yes Yes
DT12 Transmission Yes Yes Yes
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.

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Engine Model Quick Fault Code Info (Free) Wiring Diagrams (Premium) Step-By-Step Repair Info (Premium)
AutoShift (Generation 1) Yes Yes
AutoShift (Generation 2) Yes Yes Yes
AutoShift (Generation 3) Yes Yes Yes
UltraShift (All Generations) Yes Yes Yes
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.

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Engine Model Quick Fault Code Info (Free) Wiring Diagrams (Premium) Step-By-Step Repair Info (Premium)
Ford 6.0L (2003-05) Yes Yes
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.

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ECM Model Quick Fault Code Info (Free) Wiring Diagrams (Premium) Step-By-Step Repair Info (Premium)
MBE4000 Yes Yes
MBE900 Yes Yes
Caterpillar CAT Diagnostic Codes

Mitsubishi FUSO Coverage

Imported from Japan, the Mitsubishi FUSO Canter is covered.

Click here to see Mitsubishi Fuso coverage
ECM Model Quick Fault Code Info (Free) Wiring Diagrams (Premium) Step-By-Step Repair Info (Premium)
Fe & Fg Series Yes
Canter (2012-14) Yes Yes
Canter (2014.5) Yes Yes
Canter (2015-16) Yes Yes
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:

Click here to see Sprinter coverage
ECM Model Quick Fault Code Info (Free) Wiring Diagrams (Premium) Step-By-Step Repair Info (Premium)
OM612 (2002-03) Yes Yes
OM647 (2004-06) Yes Yes
HINO Engine Codes

HINO Truck Coverage

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

Click here to see Hino coverage
ECM Model Quick 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 & Battery Yes
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.

Click here to see International coverage
ECM Model Quick 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) Yes Yes Yes
DT466 (2004-06) Yes Yes Yes
DT466E (1999 & Older) Yes Yes  
DT530 (2000-03) Yes Yes Yes
DT530 (2004-06) Yes Yes Yes
DT530E (1999 & Older) Yes Yes  
DT570 (2004-06) Yes Yes Yes
HT570 (2004-06) Yes Yes Yes
MaxxForce 10 (2007-09) Yes Yes Yes
MaxxForce 10 (2010 & Newer) Yes Yes  
MaxxForce 11 (2007-09) Yes Yes Yes
MaxxForce 11 (2010 & Newer) Yes Yes Yes
MaxxForce 13 (2007-09) Yes Yes Yes
MaxxForce 13 (2010 & Newer) Yes Yes Yes
MaxxForce 15 (All Years) Yes   Yes
MaxxForce 5 (2007-09) Yes   Yes
MaxxForce 7 (2007-09) Yes   Yes
MaxxForce 7 (2010 & Newer) Yes   Yes
MaxxForce 9 (2007-09) Yes   Yes
MaxxForce 9 (2010 & Newer) Yes    
MaxxForce DT (2007-09) Yes   Yes
MaxxForce DT (2010 & Newer) Yes    
N9 Yes   Yes
N10 Yes   Yes
N13 Yes   Yes
T444E Yes Yes  
VT275 Yes Yes Yes
VT365 Yes Yes  
 
 
Isuzu Engine Codes

Isuzu Trucks

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

Click here to see Isuzu coverage
ECM Model Quick 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.

Click here to see Mack coverage
ECM Model Quick Fault Code Info (Free) Wiring Diagrams (Premium) Step-By-Step Repair Info (Premium)
All Engines (2003 & Older VMAC III) Yes   Yes
All Engines (2004 Emissions) Yes   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) Yes Yes  
mDrive Transmission (2013)   Yes  
MID 140 Instrument Panel (2004) Yes    
MID 140 Instrument Panel (2013) Yes    
MID 142 Satellite Yes    
MID 144 Vehicle (2004) Yes    
MID 144 Vehicle (2007) Yes    
MID 144 Vehicle (2013) Yes    
MID 146 Climate Control Yes    
MID 206 Radio Yes    
MID 216 Lighting Control Module Yes    
MID 223 Transmission Shifter (2007) Yes    
MID 223 Transmission Shifter (2013) Yes    
MID 232 Safety Restraint Yes    
 
Volvo Truck Engine Codes

Volvo Trucks, Engines, and Other Systems

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

 
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ECM Model Quick 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) Yes Yes
mDrive Transmission (2013) Yes
MID 140 Instrument Panel (2004) Yes
MID 140 Instrument Panel (2013) Yes
MID 142 Satellite Yes
MID 144 Vehicle (2004) Yes
MID 144 Vehicle (2007) Yes
MID 144 Vehicle (2013) Yes
MID 146 Climate Control Yes
MID 206 Radio Yes
MID 216 Lighting Control Module Yes
MID 223 Transmission Shifter (2007) Yes
MID 223 Transmission Shifter (2013) Yes
MID 232 Safety Restraint Yes
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.

Click here to see MBE900 & MBE4000 coverage
ECM Model Quick Fault Code Info (Free) Wiring Diagrams (Premium) Step-By-Step Repair Info (Premium)
MBE4000 Yes Yes  
MBE900 Yes Yes  
PACCAR MX Engine Code

PACCAR Engines

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

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ECM Model Quick 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) Yes Yes  
MX Engines (2013 Emissions) Yes Yes  
MX Engines (2017 Emissions) Yes Yes  
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.

Click here to see UD Nissan coverage
ECM Model Quick 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) Yes Yes
MX Engines (2013 Emissions) Yes Yes
MX Engines (2017 Emissions) Yes Yes
MX Euro Engines (2004 Emissions) Yes
PX-7 CM2350 (2013 – Current) Yes
PX-9 CM2350 (2013 – Current) Yes
WABCO ABS Codes

Wabco ABS

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

 
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ECM Model Quick Fault Code Info (Free) Wiring Diagrams (Premium) Step-By-Step Repair Info (Premium)
C-Version (Air) Yes    
C-Version (Hydraulic) Yes    
D-Version (Air) Yes Yes  
D-Version (Hydraulic & Cab Mounted) Yes Yes  
D-Version (Hydraulic & Frame Mounted) Yes Yes  
E-Version (Air) Yes Yes  
E-Version (Hydraulic) Yes Yes  
Easy Stop (Trailer) Yes    
Hydraulic Power Brakes (HPB) Yes Yes  
Trailers & Dollies Yes    
WABCO ABS Codes

Workhorse Custom Chassis

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

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ECM Model Quick 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.

Click here to see Thomas Bus coverage
ECM Model Quick Fault Code Info (Free) Wiring Diagrams (Premium) Step-By-Step Repair Info (Premium)
Allison 1000 & 2000 Series Yes
Allison 3000 Series Yes
Body Controller BHM (J1587 & J1708) Yes
Body Controller BHM (J1939) Yes
CAT Engines Yes
Cummins Engines (J1587 & J1708) Yes
Cummins Engines (J1939) Yes
WABCO ABS Yes
WABCO ABS Codes

ThermoKing

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

Click here to see Thermo King coverage
ECM Model Quick Fault Code Info (Free) Wiring Diagrams (Premium) Step-By-Step Repair Info (Premium)
Smart Reefer 2 (SR-2) Yes    
TriPac Yes    
WABCO ABS Codes

GMC Truck

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

Click here to see GMC Truck coverage
ECM Model Quick 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