P1251 Possible Causes
- Incorrect idle speed
- A mechanical fault prevents the throttle from closing.
- Faulty throttle motor
- Throttle motor wiring harness is open or short-circuited
- Poor electrical connection in the throttle motor circuit
How is code P1251 repaired?
Start by checking the “Possible Causes” listed above. Visually inspect the wiring harness and associated connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector pins.
Possible Symptoms
- Engine light on (or service engine soon warning light)
P1251 Meaning
The throttle motor circuit is the generic description for code P1251, but the manufacturer may have a different description for your vehicle model and year. Currently, we do not have additional information about the P1251 OBDII code.