CanDo OBD-II AID DLC Port Diagnosis Tool
CanDo OBD-II AID DLC Port Diagnosis Tool

CanDo OBD-II AID DLC Port Diagnosis Tool

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CanDo OBD-II AID DLC Port Diagnosis Tool
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CanDo OBD-II Aid

The new CanDo OBD Aid allows you to safely check the OBD-II DLC port to diagnose exactly what is causing communication errors. It is a fast and easy way to properly check your DLC port prior to scan tool communication or ECU flashing.

Features and Benefits:
  • Conduct a safety check on OBDII DLC port prior to connecting your scan tool or flashing ECU
  • Constantly monitor the battery voltage with warning beeps in the event of weak battery condition
  • Warning beep will alert you when the voltage falls below 12V or when it rises above 15.2V while programming or coding
  • Provides a quick check on the alternator charging condition
  • Making voltage/frequency measurement at the pins during diagnosis communication with ECU when the engine will not start
  • Detection of protocol and data communication during diagnosis and re-flash on the ECU.
  • Colored LED lights display when a protocol is detected, grounds and voltage


  • Operating Range: 7.0 ~ 24.0VDC Input
  • Maximum Load: Up to 5.0 amps Output
  • Overload Protection: Yes, PTC Fuse
  • Monitoring Voltages: Yes, below 12V, higher than 15.2V
  • Protocols Detected: PWM(J1850), VPW(J1850), ISO 9141-2, DIS/ISO 14230-4, CANBUS (J-2284)
  • OBDII Connector: 88mm length

Manufacturer: CanDo International
Warranty: 1 Year Manufacturer
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