OBD-II code · Powertrain (generic, extended)
P201D Intake Manifold Runner Control Actuator Internal Performance (Bank 1)
Internal self-diagnostics of the IMRC actuator on bank 1 report an off-spec condition — driver stage, position-feedback or thermal limit no longer matches the calibrated profile.
Is it safe to drive with P201D?
Usually safe to drive in the short term. Get it diagnosed when convenient, sooner if the car drives differently.
Common causes
- Most likelyActuator internal driver or sensor fault
- Less likelyActuator overheated and derated
Repair at a glance
- Difficulty
- Medium
- DIY friendly
- Best left to a mechanic
- Typical labour
- 0.5–2 h
- Emissions test
- Likely to fail
- Parts involved
- Imrc Actuator, Imrc Position Sensor
Related codes
- P201EIntake Manifold Runner Control Actuator Internal Performance (Bank 2)
- P201AReductant Injection Valve Circuit Range/Performance (Bank 2 Unit 1)
- P201BIntake Manifold Runner Control Actuator Supply Voltage Low (Bank 1)
- P201CIntake Manifold Runner Control Actuator Supply Voltage Low (Bank 2)
- P201FReductant Pump A Stuck On
- P2020Intake Manifold Runner Position Sensor/Switch Circuit Low (Bank 2)
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.