Cadillac P1642: Vehicle Speed Output Signal Circuit Malfunction
Is your scanner showing Cadillac P1642?
No worries. We'll show you what it means and how to deal with it.
Cadillac P1642: Vehicle Speed Output Signal Circuit Malfunction
OVERVIEWWhat Does The Cadillac P1642 Code Mean?
Engine runtime over 10 seconds and the PCM detected an unexpected “low” voltage on the VSS Output Line for 2.5 seconds during the CCM test. DTC P1642 is used to monitor the fault line of the VSS output signal circuit.
What Are The Potential Causes Of The Cadillac P1642 Code?
- VSS output signal circuit is open, shorted to ground or to B+
- 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!
