Cadillac P1604: Loss Of IPC Serial Data
Is your scanner showing Cadillac P1604?
No worries. We'll show you what it means and how to deal with it.
Cadillac P1604: Loss Of IPC Serial Data
OVERVIEWWhat Does The Cadillac P1604 Code Mean?
Engine started with the engine speed more than 500 rpm for 10 seconds, and the PCM did not detect any Instrument Panel Cluster (IPC) serial data or it detected invalid serial data from the IPC for 11 seconds during the CCM test.
How Can You Fix The Cadillac P1604 Code?
- Check the serial data circuit for a poor connection at the IPC
- Perform the IPC System Check
- Perform the Powertrain Onboard Diagnostic System Check
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!
