The Lemon IndexP1778 is a manufacturer-specific code, so its exact meaning depends on the make.
Depends on what it means on your make. Get it read before a long drive.
Have a shop read it with the maker's own scan tool first.
Owners named P1778 in 41 complaints to the U.S. government, most often on the Nissan Murano.
Cars owners report it on
Complaints that name P1778, by model. Raw counts, not a failure rate: popular models get more complaints.
Years owners report it on most: 2012 Nissan Altima · 2013 Nissan Maxima · 2010 Nissan Maxima · 2012 Nissan Quest · 2014 Nissan Quest · 2012 Nissan Sentra
The details
What P1778 means
P1778 is a manufacturer-specific code: each carmaker decides what it means, so the same code can point to different problems on different brands. We haven't verified its meaning yet. A dealer or a scanner with the maker's software can tell you exactly what it means on your car.
Owners who reported it drive: Nissan (40), Mitsubishi (1).
What owners describe
- Loses power or goes into limp mode: 29% of complaints
- Transmission slips or shifts hard: 20% of complaints
- Stalls or shuts off: 10% of complaints
- Warning lights and electrical faults: 5% of complaints
Share of complaints naming the code whose text also mentions each problem.
Model years that report P1778 most
2012 Nissan Altima (5), 2013 Nissan Maxima (4), 2010 Nissan Maxima (2), 2012 Nissan Quest (2), 2014 Nissan Quest (2), 2012 Nissan Sentra (2).
Related codes
Counts: NHTSA owner complaints whose text names P1778. A complaint is an owner's report, not a diagnosis. Meanings: the standard SAE J2012 definitions in our own words; manufacturer codes only where verified for that make. General information, not repair advice for your car.