Installation & Help


Our OBD readers are designed to be used with an easy 3 step procedure. 1 Plug in to your odb2 plug in, 2 start your ignition, 3 access the vehicles ECU allowing you to scan codes, and clear them as desired.

View instructions below on how to read codes/reset codes with our basic reader:


Download Instructions


View instructions here on how to read codes/reset codes with our wireless reader:

Download Software & Instructions


Other Free Scanning Software 

Scanmaster ELM v. -
Digimoto Lite -
wODB -
ScanTool -
OBD2Spy -
EasyObdII_v2 -
OBD Logger -
Mac OSX / Linux -
OBD Gauge, PalmOS, Pocket PC -

ELM327 Drivers (USB and Bluetooth)



Understanding the codes. The codes generated can be used to find out what sensor in your vehicle could be faulting. The best way to find answers is to search Google with the code and your vehicle model.


Such as  "Honda Civic PO243" as an example.


By searching for your vehicle and the code received you can find out particular solutions other people have found.


You can also look up your code here:


Common Reasons for Check Engine Light:

  • Gas cap not on tight enough
  • Engine got wet or you washed your engine
  • Your spark plug wires are bad
  • Oxygen sensor need replacing
  • Poor quality fuel was used


Most Common Codes:


P0420 - Catalyst System Low Efficiency
P0171 - Fuel Trim System Lean Bank 1
P0401 - Exhaust Gas Recirculation (EGR) Flow Insufficient
P0174 - Fuel Trim System Lean Bank 2
P0442 - Evaporative Emission (EVAP) System Small Leak Detected
P0300 - Engine Misfire Detected (random misfire)
P0455 - Evaporative Emission (EVAP) System Leak Detected (large)
P0440 - Evaporative Emission (EVAP) System
P0141 - Oxygen Sensor Heater (H02S) Performance Bank 1 Sensor 2
P0430 - Catalyst System Low Efficiency Bank 2
P0135 - Oxygen Sensor (HO2S) Performance Bank 1 Sensor 1
P0446 - EVAP Vent Solenoid Valve Control System
P0128 - Coolant Thermostat
P0301 - Cylinder 1 Misfire Detected
P0411 - EVAP System Control Incorrect Purge Flow
P0133 - Oxygen Sensor Slow Response Bank 1 Sensor 1
P0303 - Cylinder 3 Misfire Detected
P0304 - Cylinder 4 Misfire Detected
P0302 - Cylinder 2 Misfire Detected
P0325 - PCM Knock Sensor Circuit