Cadillac P1533: A/C Evaporative Temp Sensor Circuit High Input
Is your scanner showing Cadillac P1533?
No worries. We'll show you what it means and how to deal with it.
Cadillac P1533: A/C Evaporative Temp Sensor Circuit High Input
OVERVIEWWhat Does The Cadillac P1533 Code Mean?
Engine started; A/C switch and A/C Clutch “on”, and the PCM detected the A/C Evaporator Temperature sensor was more than 126ºF for 5 seconds during the test.
What Are The Potential Causes Of The Cadillac P1533 Code?
Below are some potential causes of this DTC:
- A/C pressure switch circuit is open or shorted to VREF
- A/C pressure switch ground circuit is open
- A/C pressure switch is damaged or has failed
- PCM has failed
Recommended Parts
Below are some recommended auto parts to help you address the trouble code affecting your vehicle and get it running smoothly again:
>>> WORKPRO 582-piece Crimp Terminals, Wire Connectors, Heat Shrink Tube, Electrical Repair Kit
>>> GM Genuine Parts 12633238 Engine Control Module
>>> A/C Pressure Switch Sensor MT1339
Note: During the purchasing process, please check carefully whether the part you want to buy fits your car!
