Powertrain
generic / SAE
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.
SystemPowertrain
Typegeneric / SAE
GroupP2
Range / number– / 72
Possible causes
- Ice formed in throttle body high
- Throttle housing coolant warming circuit blocked medium
Symptoms
- Check engine light on
- Reduced throttle response, possible limp mode
- Hesitation or surging
- Idle too high or too low
Inspection / repair
- Difficulty: medium
- DIY: possible
- Estimated cost: 50–500 €
- Estimated time: 0.3–2 h
- Component: electronic throttle body
- Component: throttle position sensor
- MIL / check engine light
- emissions-relevant
- drive cycle required
Sources
References
sae:J2012