Chevrolet P1673: Engine Hot Lamp Control Circuit Malfunction
Is your scanner showing Chevrolet P1673?
No worries. We'll show you what it means and how to deal with it.
Chevrolet P1673: Engine Hot Lamp Control Circuit Malfunction
OVERVIEWWhat Does The Chevrolet P1673 Code Mean?
Key on or engine running; and the PCM detected an unexpected voltage condition on the Engine Hot Lamp control circuit for 30 seconds during the CCM test.
What Are The Potential Causes Of The Chevrolet P1673 Code?
- Engine hot lamp control circuit is open or shorted to ground
- Engine hot lamp is shorted to system power (B+)
- Engine hot lamp power circuit is open (test the GAUGES fuse)
- Engine hot lamp (bulb) is open or missing
- 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
Note: During the purchasing process, please check carefully whether the part you want to buy fits your car!
Reference Sources
GM, 2013, Service Bullettin – Prior To Any Circuit Testing.
