P2780
Downshift Switch Circuit Low
DTC P2780, sometimes indicated as P278000 is an OBD diagnostic trouble code indicating a manufacturer-specific fault with the vehicle powertrain (i.e. engine and gearbox). This code identifies an error with the transmission (gearbox) causing downshift switch circuit low.
- P2780: Downshift Switch Circuit Low
- P2780: Transmission gear selection switch, downshift – circuit low
- P2780 00: Transmission gear selection switch, downshift - circuit low
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