P241C
Throttle Actuator Control System Ice Blockage Bank 2
The throttle actuator on bank 2 cannot move because of ice formation - typical for very cold ambient temperature with humid intake. Engine de-ices on warm-up.
- Check engine light: Yes
- Emissions related: Yes
- Repair difficulty: easy
Symptoms
- Check engine light on
- Reduced throttle response, possible limp mode
- Hesitation or surging
- Idle too high or too low
Common causes
Ordered by how often each turns out to be the cause.
- Ice in throttle boreCommon
Parts involved
- Throttle Actuator B2
P241C is a generic OBD-II code defined by SAE J2012. Exact wording and diagnostic procedure vary by manufacturer and model. Code definitions are drawn from the public-domain OBDex dataset; the workshop notes are our own.