Car Problem Reports
Honda Civic Software update for false catalyst failure code
Honda Civic Problem
Model Year Affected: 2006
On some models the Powertrain Control Module (PCM) can misinterpret data and set a false Check Engine light (MIL) for catalyst failure. A software update from Honda will address this issue.
Visitor, 2006 Honda Civic, 122,000 mi
Check engine light comes in & goes out periodically. Catalytic converter alarm according to the code.