OBD-II code · Powertrain (generic, extended)

P2016 Intake Manifold Runner Position Sensor/Switch Circuit Low (Bank 1)

The IMRC position sensor signal on bank 1 reads below the lower limit. Usually a short to ground on the signal wire or a failed sensor.

Is it safe to drive with P2016?

Usually safe to drive in the short term. Get it diagnosed when convenient, sooner if the car drives differently.

Common causes

  • Most likelySignal wire shorted to ground
  • PossiblePosition sensor failed low
  • Less likelyConnector pins corroded - high contact resistance

Repair at a glance

Difficulty
Medium
DIY friendly
Often, with basic tools
Typical labour
0.5–2 h
Emissions test
Likely to fail
After the fix
A drive cycle is needed before the light stays off
Parts involved
Imrc Position Sensor, Imrc Wiring

Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.