Chevrolet P1630: System Voltage Error
Is your scanner showing Chevrolet P1630?
No worries. We'll show you what it means and how to deal with it.
Chevrolet P1630: System Voltage Error
OVERVIEWWhat Does The Chevrolet P1630 Code Mean?
Engine started; and the PCM detected the system voltage was less than 9v, or it was more than 17v for 10 seconds.
How Can You Fix The Chevrolet P1630 Code?
- Check for high resistance at the battery connections or at the Underhood Fuse Block power circuit connection to the PCM
- Check the drive belt for excessive wear and the proper tension
- Check the condition of the battery and the Generator output
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
GM, 2013, Service Bullettin – Prior To Any Circuit Testing.
