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OBDII Scanner Comparison Chart

I’ve recently been asked to provide a simple and quick comparison of similarly priced OBDII products. All three of the units below support all 1996 and newer OBDII compliant vehicles, and also support all five of the protocols used by OBDII vehicles, which includes the CAN protocol.

Product Capability
CarMD
OBDCOM
AutoTap DIY

Read Generic DTC's

Y

Y

Y

Define Generic DTC's

N

Y

Y

Clear Generic DTC's

N

Y

Y

Freeze Frame Data

N

Y

Y

Display Live Sensor Data

N

Y

Y

Display Emission Monitor Status

Y

Y

Y

Built in Guidance/Assistance

N

N

Y

Computer Required

Y

Y

Y

Internet Required

Y

N

N

Data Logging/Snapshot

N/N

Y/N

N/Y

One Click Sensor Test

N

N

Y

Free Product Support

Y

Y

Y

Product Cost (as tested)

$119

$88

$49.95