The two throttle position sensor signals disagree.
SYMPTOMS
- Check-engine light
- Reduced power / limp mode
- Erratic throttle response
LIKELY CAUSES
- Faulty throttle body/TPS
- Wiring fault
- Connector fault
DIAGNOSIS STEPS
- Compare both TPS signals in live data
- Check wiring and connector
- Replace the throttle body
RELATED PARTS
- Throttle body (drive-by-wire)