P1726 — Electric Throttle Control System
CAUTIONIs it safe to drive? Drive gently and get it looked at soon — it can worsen or fail inspection.
What P1726 means
This is a manufacturer-specific code — its meaning depends on the vehicle’s make (see below).
What P1726 means on specific makes
Nissan / Infiniti CAUTION
Source lists P1726 as 'Electric Throttle Control System.' A drive-by-wire throttle fault on Nissan that can trigger reduced power / limp mode. Note: some references group throttle faults under P1121/P1122/P1805 — confirm against the specific model.
- Failed/dirty throttle body ($150-400)
- Throttle/accelerator pedal sensor
- Wiring/connector fault
Check first: Clean/inspect the throttle body and check pedal and throttle position sensors; many Nissans need a throttle relearn after cleaning.
Source: troublecodes.net/nissancodes
Related codes
P1121P1122P2135