The Lemon IndexP1604 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 P1604 in 20 complaints to the U.S. government, most often on the Toyota RAV4.
Cars owners report it on
Complaints that name P1604, by model. Raw counts, not a failure rate: popular models get more complaints.
Years owners report it on most: 2018 Toyota RAV4
The details
What P1604 means
P1604 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: Toyota (15), Subaru (3), Lexus (2).
What owners describe
- Stalls or shuts off: 45% of complaints
- Shakes, runs rough or misfires: 45% of complaints
- Warning lights and electrical faults: 40% of complaints
- Loses power or goes into limp mode: 30% of complaints
Share of complaints naming the code whose text also mentions each problem.
Model years that report P1604 most
2018 Toyota RAV4 (4).
Related codes
Counts: NHTSA owner complaints whose text names P1604. 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.