Powertrain
generic / SAE
P211E
Throttle Actuator B Control Module Processor
The processor monitoring throttle B inside the throttle/PCM has reported a self-test failure — RAM check, ROM check, or watchdog timeout.
SystemPowertrain
Typegeneric / SAE
GroupP2
Range / number1 / 1E
Possible causes
- Internal processor fault high
- Module software outdated, reflash may resolve low
- Supply voltage outside specification low
Symptoms
- Check engine light on
- Reduced throttle response, possible limp mode
- Hesitation or surging
- Idle too high or too low
Inspection / repair
- Difficulty: hard
- DIY: shop recommended
- Estimated cost: 400–2500 €
- Estimated time: 1.5–4 h
- Component: throttle control module
- Component: powertrain control module
- MIL / check engine light
- emissions-relevant
- limp mode possible
Sources
References
sae:J2012