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Engine Controls - DTC P2646, P2647

SOURCE: Honda Service News

TITLE: Replace VTEC Oil Pressure Switch for DTC P2646, P2647

APPLIES TO: 03-05 Accord 4-cylinder
03-05 Element
02-05 CR-V

SERVICE TIP:

Got a vehicle in your shop with either of these DTCs?
- DTC P2646 (VTEC oil pressure switch circuit low voltage)
- DTC P2647 (VTEC oil pressure switch circuit high voltage)
Replacing the VTEC oil pressure switch usually fixes the problem. If it doesn't, then press on with normal troubleshooting.