P1029 Possible Causes
- Faulty intake manifold air control solenoid
- Intake manifold air control solenoid harness is open or shorted
- Poor electrical connection in intake manifold air control solenoid circuit
How is P1029 Code Repair Done?
Start by checking the “Possible Causes” listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector pins.
Possible Symptoms
Illuminated engine light (or service engine soon warning light)
P1029 Meaning
The upper limit of the intake manifold air control valve position sensor not reached is the generic description for code P1029, but the manufacturer may have a different description for your specific vehicle model and year. Currently, we don’t have more information about OBDII code P1029.