Cadillac P1657: Skip Shift 1-4 Upshift Solenoid Control Circuit Malfunction
Is your scanner showing Cadillac P1657?
No worries. We'll show you what it means and how to deal with it.
Cadillac P1657: Skip Shift 1-4 Upshift Solenoid Control Circuit Malfunction
OVERVIEWWhat Does The Cadillac P1657 Code Mean?
Engine started, engine speed over 600 rpm, and the PCM detected the Actual state and the Commanded state of the Skip Shift control circuit did not match during the CCM test.
What Are The Potential Causes Of The Cadillac P1657 Code?
- Skip shift solenoid control circuit is open, shorted to ground or shorted to power (B+)
- Skip shift solenoid power circuit is open (check ENG SEN fuse)
- Skip shift solenoid 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:
Note: During the purchasing process, please check carefully whether the part you want to buy fits your car!
