P2106
PowertrainElectronic Throttlehigh severityThrottle Actuator Control System Forced Limited Power
What P2106 Means
ECM has limited engine power output due to a detected throttle system malfunction.
Symptoms
- Reduced acceleration
- Check engine light
- Wrench/power limit warning
Common Causes
- Throttle position disagreement
- APP sensor intermittent
- Throttle body degraded
Diagnostic Steps
- Check for companion DTCs
- Monitor APP vs TPS correlation
- Test throttle response
Where to start: Address underlying throttle system fault to restore full power.
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