Chevrolet P154D: Intake Air (IA) Heater Temperature Signal Circuit
Is your scanner showing Chevrolet P154D?
No worries. We'll show you what it means and how to deal with it.
Chevrolet P154D: Intake Air (IA) Heater Temperature Signal Circuit
OVERVIEWWhat Does The Chevrolet P154D Code Mean?
The intake air heater is commanded ON. The intake air heater battery voltage is between 6.9-16 V. DTC P154D runs continuously when the above conditions are met.
- The glow plug control module detected an open, short to ground or short to battery on the intake air heater temperature signal circuit for greater than 650 ms.
- The intake air heater temperature sensor value is less than -20°C (-4°F) and the intake air temperature sensor is greater than 20°C (68°F).
Recommended Parts
Below are some recommended auto parts to help you address the trouble code affecting your vehicle and get it running smoothly again:
Note: During the purchasing process, please check carefully whether the part you want to buy fits your car!
Reference Sources
Chevrolet P154D, DTCDECODE.
