LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Ford >> 2021 >> Bronco Base, 2D Utility, 2.3L Eng VIN H, Part Time T/Case Control, Automatic Trans >> Repair and Diagnosis (Single Page) >> General Information >> DTC Index >> Engine Controls - Powertrain DTC Charts & Descriptions (Except Diesel & Hybrid) >> Diagnostic Trouble Code (DTC) Charts And Descriptions >> P2021 - Intake Manifold Runner Position Sensor/Switch Circuit Low (Bank 2)
April 5, 2026: LEMON Manuals is launched! Read the announcement.

P2021 - Intake Manifold Runner Position Sensor/Switch Circuit Low (Bank 2)

DTC DESCRIPTION P2021 - INTAKE MANIFOLD RUNNER POSITION SENSOR/SWITCH CIRCUIT LOW (BANK 2)

Description:  This DTC sets when the intake manifold runner control bank 2 (IMRC2) sensor circuit voltage is less than a calibrated value.
Possible Causes: 
  • IMRC2 circuit open
  • IMRC2 circuit short to SIGRTN
  • IMRC2 circuit short to ground
  • Damaged IMRC2 sensor
Diagnostic Aids:  The IMRC2 sensor value should change when the IMRC is commanded open or closed.
Application  Key On Engine Off  Key On Engine Running  Continuous Memory 
All GO to Pinpoint Test HU.