P2646 Diagnostic Trouble Code Discussion for September 2026
VTEC Oil Pressure Switch Circuit Low Voltage
Note: This is a professional automotive technician's resource.
Vehicle Owners: If you are seeking an automotive repair professional to service your vehicle, visit the iATN Repair Shop Finder.Trouble Ticket Help Requests for DTC P2646
| Help Request | Posted | |
| 2007 Honda Element EX 2.4L MIL Lamp on VIN: 5J6YH28767 P2646: VTEC Oil Pressure Switch Circuit Low Voltage. my question is should I be able to light a test light from the the oil pressure power wire or is it just an unloaded 12 volts that just sees 12 volts when it grounds, that is the only thing I can think of when it came in the switch never changed state as i... |
September 11, 2026 | |
| 2007 Honda Element EX 2.4L MIL Lamp on VIN: 5J6YH28767 P2646: VTEC Oil Pressure Switch Circuit Low Voltage. my question is should I be able to light a test light from the the oil pressure power wire or is it just an unloaded 12 volts that just sees 12 volts when it grounds, that is the only thing I can think of when it came in the switch never changed state as i... |
September 13, 2026 |