P1778 — OBD-II trouble code

A manufacturer-specific powertrain OBD-II trouble code. Below are the vehicles and failure patterns where owners report it, drawn from NHTSA complaints.

In ProblemsByVin's analysis of the NHTSA owner-complaint record, owners cite P1778 across 18 vehicle failure patterns. Diagnostic codes in complaints are reported by owners and are unverified — they point to where this code shows up, not a confirmed diagnosis. Open a page below for the full pattern (symptoms, mileage, repair costs owners cite).

Vehicles where owners report P1778 18 patterns

2014 Nissan Maxima

powertrain — CVT Transmission Loss of Drive / Downshift into Lower Gear

2013 Nissan Rogue

powertrain — CVT Transmission Loss of Power / Fail-Safe Mode Activation

2013 Nissan Maxima

powertrain — CVT transmission failure — complete loss of power/acceleration

2012 Nissan Sentra

powertrain — Loss of power / limp mode on highway acceleration

2012 Nissan Altima

powertrain — Sudden loss of power / limp mode activation

2012 Nissan Quest

powertrain — CVT transmission slipping and loss of power on acceleration

2012 Nissan Murano

powertrain — CVT transmission loss of power / failure to accelerate

2012 Nissan Maxima

powertrain — CVT Transmission Failure - Loss of Power / No Acceleration

2011 Nissan Altima

powertrain — CVT transmission failure with complete power loss

2011 Nissan Sentra

engine — Stalling without warning

2011 Nissan Maxima

powertrain — CVT transmission failure — no warning

2011 Nissan Quest

powertrain — Loss of motive power / stalling

2010 Nissan Rogue

powertrain — CVT transmission power loss / limp mode activation

2010 Nissan Murano

powertrain — CVT Transmission Loss of Acceleration / Limp Mode

2010 Nissan Sentra

powertrain — CVT Transmission Stuck in Low Gear / Failure to Upshift

2010 Nissan Maxima

powertrain — CVT Power Loss and Shifting Failure

2008 Nissan Sentra

cruise control — Unintended Acceleration / Stuck Accelerator

2006 Nissan Murano

powertrain — CVT Transmission Slipping & Hesitation

Codes are pulled from what owners wrote in their NHTSA filings — they're allegations, not a shop diagnosis. Always confirm with a live scan. Browse all diagnostic codes →