P10B4 Possible Causes
- Faulty boost air temperature sensor
- Boost air temperature sensor harness is open or shorted
- Poor electrical connection in the boost air temperature sensor circuit
How to Fix Code P10B4?
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
Check engine light on (or service engine soon warning light)
P10B4 Meaning
The engine control module (ECM) monitors the boost air temperature sensor. The ECM sets the OBDII code when the boost air temperature sensor does not meet factory specifications.