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Fault code definitions (DTCs)

Where can I find fault (or trouble) code definitions (DTCs)?

Fault code definitions, trouble code definitions or DTC definitions can be a challenge to find.

Our online database of OBD-II, EOBD and VAG (VW/Audi group) fault code definitions might be able to help. It contains over 21,000 definitions and is constantly growing - please click here

Other good sources of fault code definitions are:

Diagnostic tool user manuals
Car service manuals
Technical Services CDs
Specialist publications, e.g. Autodata
Internet search

Customers have rated these products as 5-star

Ross-Tech VCDS HEX-V2 USB Package (3 VIN)
£ 225.00
MultiECUScan Diagnostic Package (USB)
£ 129.95
Gendan EngineCheck Pro USB package
£ 99.95
OBDLink LX EOBD OBD-II Bluetooth Interface
£ 94.96
VW Audi USB KKL Diagnostic Interface Cable
£ 19.94
MultiECUScan Package (CAN cars only)
£ 112.94
Foxwell NT200E Diagnostic Scan Tool
£ 34.94
Ross-Tech VCDS HEX-V2 USB Package (10 VIN)
£ 299.00
USB Engine package for 2001+ petrol, 2004+ diesel
£ 69.95
Foxwell NT680 Pro ALL Systems Scan Tool
£ 399.00
Foxwell NT301 Diagnostic Scan Tool
£ 69.00
OBDLink MX+ EOBD OBD-II Bluetooth Interface
£ 129.95
MultiECUScan Multiplex Package
£ 360.00
Ross-Tech VCDS HEX-V2 Enth. Plus Bundle (10 VIN)
£ 319.00
Ross-Tech VCDS HEX-V2 USB Package (Unlimited VIN)
£ 499.00
Foxwell NT680 Lite 4 Systems Scan Tool
£ 199.00
Foxwell NT530+ Full Systems Scanner - Porsche
£ 164.00
Foxwell NT530+ Full Systems - Peugeot/Citroën
£ 164.00
MultiECUScan Coloured Adaptor Cables
£ 31.94
Foxwell NT680 ALL Systems Scan Tool
£ 299.00
EngineCheck Pro Diagnostics Software Download
£ 57.14
Opel-Scanner for Vauxhall and Opel cars
£ 229.00
Ross-Tech VCDS HEX-NET Pro Plus Bundle (Unlimited)
£ 649.00
VauxCheck Diagnostics Software download
£ 30.59
OBDLink SX EOBD OBD-II USB Diagnostic Interface
£ 59.95
Foxwell NT530+ Full Systems Scan Tool - VAG cars
£ 164.00
MultiECUScan Package (Non-CAN cars only)
£ 85.00
Foxwell BT100 12 Volt Battery Analyser
£ 44.95
Foxwell NT530+ Full Systems - Jaguar Land Rover
£ 164.00
OBD-II / EOBD Extension Cable - 3 metre
£ 14.95
Ross-Tech VCDS HEX-V2 USB Home Plus Bundle (3 VIN)
£ 245.00
Ross-Tech VCDS HEX-V2 USB 3-VIN Package (No Case)
£ 222.00
Ross-Tech VCDS HEX-NET Package (Unlimited VIN)
£ 625.00
EngineCheck Pro Diagnostics Software Upgrade
£ 29.57
Foxwell NT530+ Full Systems Tool - Vauxhall / Opel
£ 164.00
UniCarScan UCSI-2100 Bluetooth Interface
£ 51.50
EngineCheck Diagnostics Software Download
£ 30.59
Foxwell NT530+ Full Systems Scan Tool - BMW & Mini
£ 164.00
OBD-II / EOBD Extension Cable - 20cm
£ 12.50
FiCOM Advanced Fiat & Alfa Diagnostics Package
£ 425.00
MultiECUScan Hardware Only Bundle
£ 80.00
MaxiECU for Vauxhall and Opel cars - Wireless
£ 129.00
Foxwell BT715 12 / 24 Volt Battery Analyser
£ 114.95
OBDLink CX Bluetooth Interface for BimmerCode
£ 79.96
GS-911 USB Enthusiast Package 16-pin
£ 255.00
Foxwell NT530+ Full Systems - Mercedes & Smart
£ 164.00
Ross-Tech VCDS HEX-NET Interface Package (10 VIN)
£ 430.00
GS-911 WiFi Enthusiast Package 10-pin
£ 365.00
10-pin Adapter lead for GS911 with 16-pin plug
£ 19.94

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