What's DTC P9999? (HSN 1000-14)

Publication date: 2000-10-01
Reference number: HSN 1000-14

WHAT'S DTC P9999?

TECHNICAL SERVICE BULLETIN

Reference Number(s): HSN 1000-14, Date of Issue: October, 2000

WHAT'S DTC P9999?

Model(s): Honda, All Models

Category: Honda Service News

Bulletin No.: HSN 1000-14

Date: October, 2000

SERVICE INFORMATION

A bug in the PGM Tester software causes a DTC P9999 to be displayed when you're retrieving some DTCs. P9999 means an undefined code. To determine the DTC's identity switch the PGM Tester to Generic OBD II mode. The Generic mode will show the correct SAE DTC.