OBD-II code · Powertrain (generic, extended)
P2072 Throttle Actuator Control System - Ice Blockage (Bank 1)
The electronic throttle on bank 1 is jammed by ice — typical at very low ambient temperatures with high humidity, after a short trip that did not warm the throttle housing. The strategy attempts a self-clearing motion before setting the code.
Is it safe to drive with P2072?
Usually safe to drive in the short term. Get it diagnosed when convenient, sooner if the car drives differently.
Common causes
- Most likelyIce formed in throttle body
- PossibleThrottle housing coolant warming circuit blocked
Symptoms
- Check engine light on
- Reduced throttle response, possible limp mode
- Hesitation or surging
- Idle too high or too low
Repair at a glance
- Difficulty
- Medium
- DIY friendly
- Often, with basic tools
- Typical labour
- 0.3–2 h
- Emissions test
- Likely to fail
- After the fix
- A drive cycle is needed before the light stays off
- Parts involved
- Electronic Throttle Body, Throttle Position Sensor
Related codes
- P206FIntake Manifold Tuning (IMT) Valve Stuck Closed (Bank 2)
- P2070Intake Manifold Tuning (IMT) Valve Stuck Open (Bank 1)
- P2071Intake Manifold Tuning (IMT) Valve Stuck Closed (Bank 1)
- P2073Manifold Absolute Pressure / Mass Air Flow - Throttle Position Correlation at Idle
- P2074Manifold Absolute Pressure / Mass Air Flow - Throttle Position Correlation at Higher Load
- P2075Intake Manifold Tuning (IMT) Valve Position Sensor/Switch Circuit (Bank 1)
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.