"Product Description Compatibility: Creader CRP129, CRP123, X431 OBDII / OBD2 Main Test Data Cable For the following Launch X431 Scan Tools: -CRP123 -CRP123 X Pro VII+ -CRP129 VIII Cable also works with: -Launch X431 Creader Professional CRP229 Touch Screen -Launch Creader 8021 CR8021 OBDII / EOBD NOTE: While OBD-II and other diagnostic cables look alike, Please DO NOT buy cables only based on looks; ALL diagnostic cables are wired internally different depending on the Scan Tool Model number. Important: Cables are wear items. Many intermittent problems are a result of a worn cable. Keep a spare cable available to determine if an intermittent problem is from a worn cable and to use as a replacement. Properly dispose of damaged cables. "