Error code
OBD2 P2779
OBD2P2779
Diagnostic Trouble Code· Standard OBD-II fault code read from the vehicle's onboard diagnostics.
What it means
Downshift Switch Circuit Range/Performance.
Severity
moderateCan drive but may experience shifting problems.
Summary
P2779 indicates an issue with the downshift switch circuit in the transmission gear selection system, affecting its range or performance.
Common Causes
- Wiring issues related to the transmission gear selection switch
- Faulty transmission gear selection switch
Fixes
- Replace or repair the faulty downshift switch and/or wiring.
FAQ
What does P2779 mean?
P2779 indicates a problem with the range or performance of the transmission gear selection switch circuit.
Not affiliated with OBD2. Answer summarized from the manufacturer's manual linked above; consult that source for the authoritative procedure.
More OBD2 codes
- P2700Transmission Friction Element 'A' Apply Time Range/Performance
- P2701Transmission Friction Element 'B' Apply Time Range/Performance
- P2702Transmission Friction Element 'C' Apply Time Range/Performance
- P2703Transmission Friction Element 'D' Apply Time Range/Performance
- P2704Transmission Friction Element 'E' Apply Time Range/Performance
- P2705Transmission Friction Element 'F' Apply Time Range/Performance
- P2706Shift Solenoid 'F'
- P2707Shift Solenoid 'F' Performance or Stuck Off
- P2708Shift Solenoid 'F' Stuck On
- P2709Shift Solenoid 'F' Electrical
- P2710Shift Solenoid 'F' Intermittent
- P2711Unexpected Mechanical Gear Disengagement