Powertrain
generic / SAE
P2107
Throttle Actuator Control Module Internal Processor
The internal processor or watchdog of the throttle actuator control module reports an internal fault. Communication between the TAC monitor core and the main ECU core has failed plausibility — typical for a defective ECU.
SystemPowertrain
Typegeneric / SAE
GroupP2
Range / number1 / 07
Possible causes
- ECU internal processor fault high
- ECU software flash corrupted low
- Module software outdated, reflash may resolve low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: 400–2000 €
- Estimated time: 1–4 h
- Component: ecm
- MIL / check engine light
- emissions-relevant
- drive cycle required
- limp mode possible
Sources
References
sae:J2012