Decode your vehicle’s diagnostic trouble codes (DTCs) with our comprehensive OBD2 DTC database! We provide detailed explanations for U-Codes, B-Codes, C-Codes, and P-Codes, empowering you to understand and address potential issues. Quickly identify the meaning of any code and take the necessary steps to resolve problems. This resource is designed to help both DIY mechanics and professional technicians.
The Cummins Engine Fault Codes for QSB T2, QSC T2, QSL T2, QSM11, QSX15, QSK19, QSK23 and QST30 models manual is a comprehensive diagnostic and troubleshooting guide. It provides detailed information and instructions for identifying and troubleshooting various fault codes that can occur on Cummins engines in these specific models. This manual is an essential resource for technicians, operators and enthusiasts working with these Cummins …
111 Electronic Control Module (Ecm) Defective 115 Faulty sensor camshaft wire or connectors 121 Faulty sensor crankshaft wire or connectors 122, 123 malfunction of the pressure sensor in the inlet manifold of the wire or connectors 131, 132 faulty pedal control fuel supply wires or connectors 135.141 malfunction of the motor oil pressure sensor wire or connectors 143 Low oil pressure in the engine-warning 144, …
The Cummins Engine Fault Codes for ISF 2.8, ISB, ISC, ISLe, 4ISBe, 6ISBe, ISDe, ISM, QSM, ISX and QSX models manual is a comprehensive diagnostic and troubleshooting resource. It provides detailed information and instructions for addressing and resolving various fault codes that may occur on Cummins engines in these models. This manual is an essential reference for technicians, operators and enthusiasts working with these Cummins …
Cummins trouble code list for QSB, QSC, QSL9, QSM11, QSX15, QSK19, QSK23, QST30, QSK45, QSK60, QSK78 engines To identify the fault, simply write down the fault code from the cab unit and find the codes in the table by selecting your own engine type. FAULT CODE (LAMP) SID, PID FMI SPNIMF DESCRIPTION 111Red S25412 62912 Engine control Unit-critical internal error 112Red S0207 6357 The injection …
The Cummins Engine Fault Code 434 Manual provides a comprehensive diagnostic and troubleshooting guide for addressing and resolving issues related to Fault Code 434 on Cummins engines. This manual is an invaluable resource for technicians, operators and enthusiasts seeking detailed information and instructions on how to effectively diagnose and correct this specific fault. Fault Code 434 typically indicates a problem with the engine’s exhaust gas …
111 Electronic Control Module (Ecm) Defective 122, 123 fault of the inlet manifold pressure sensor or connectors 131, 132 faulty pedal control fuel supply wires or connectors 135, 141 malfunction of the motor oil pressure sensor wire or connectors 143 Low oil pressure in the engine-warning 144, 145 fault temperature sensor Coolant Wires or connectors 151 High Temperature Coolant -Warning 153, 154 faulty air temperature …
The Cummins Engine Diagnostic Fault Codes Manual for 2003 and newer engines is an essential resource that provides comprehensive information on diagnostic codes and troubleshooting procedures specific to Cummins 2003 and newer engines. This manual is a valuable guide for technicians, operators and enthusiasts who want to effectively identify and resolve engine-related problems. The manual covers a wide range of diagnostic trouble codes unique to …
The Cummins Engine Diagnostic Codes Manual is a comprehensive guide that provides detailed information on diagnostic codes and troubleshooting procedures for Cummins engines. This manual is an invaluable resource for technicians, operators and enthusiasts seeking in-depth knowledge to identify and resolve engine-related problems. The manual covers a wide range of diagnostic codes specific to Cummins engines, including fault codes related to engine performance, emissions, fuel …
Table of CIS System Fault Codes Code Module Fault Working State Eliminating And-1 Device CAB The oil pressure in the engine is too low E-2 Device CAB The oil level in the engine is too low E-3 Device CAB Water Pump Defective The charging control lights up and does not charge. Check the drive of the water pump and the generator. Check the charging control on the generator (61). …
The Peugeot & Citroen Fault Codes DTC Manual is a comprehensive guide specifically designed to provide vital information and instructions for technicians working on Peugeot and Citroen vehicles. This manual covers a wide range of standard and specific fault codes, known as Diagnostic Trouble Codes (DTCs), to ensure efficient and effective diagnosis and repair of vehicle problems. DTCs are codes generated by the vehicle’s on-board …
About OBD2 Diagnostic Trouble Codes (DTC)
OBD2, short for On-Board Diagnostics 2, is a standardized diagnostic system found in most vehicles manufactured after 1996. It's a powerful tool that allows you to access and interpret information about your vehicle's systems, including any potential issues. OBD2 Diagnostic Trouble Codes (DTCs) are numeric codes that provide specific information about detected problems within your vehicle's systems.
Decoding the Codes
OBD2 DTCs are formatted as a 5-digit code, typically starting with a "P" for powertrain-related issues. The first digit represents the area of the vehicle system affected, the second digit indicates a more specific subsystem within that area, and the last three digits identify the specific fault.
U0XXX: Network Communication (communication issues between modules)
Using a Scan Tool
To access DTCs, you'll need an OBD2 scan tool. These devices plug into the OBD2 port, typically located under the dashboard, and can display DTCs and other vehicle data.
Interpreting DTCs
Once you have the DTCs, you can use an online database or a repair manual to interpret their meaning. Understanding the specific fault identified by the code can help you diagnose and troubleshoot problems.
Important Notes:
DTCs are just the beginning of the diagnostic process. They point to potential problems, but further investigation may be necessary to pinpoint the exact cause.
Always consult a qualified technician for complex repairs, as improper troubleshooting can lead to further damage or safety hazards.
Where to find more information:
Online Databases: Numerous websites offer free and paid databases for decoding OBD2 DTCs.
Repair Manuals: A specific repair manual for your vehicle model can provide detailed information about DTCs and troubleshooting procedures.
Professional Mechanics: A certified mechanic can help you diagnose and repair problems associated with DTCs.
OBD2 is a powerful tool for understanding your vehicle's health and performance. By understanding the basics of OBD2 and DTCs, you can take a more proactive approach to vehicle maintenance and repair.
