Cadillac P1377: ICM CMP Pulse To 4X Reference Pulse Comparison
Is your scanner showing Cadillac P1377?
No worries. We'll show you what it means and how to deal with it.
Cadillac P1377: ICM CMP Pulse To 4X Reference Pulse Comparison
OVERVIEWWhat Does The Cadillac P1377 Code Mean?
DTC P1376 not set, engine started, engine speed over 496 rpm, at least 7 CMP pulses received since startup, and the PCM detected that the number of 4X REF pulses it received during 2 CMP pulse periods did not equal 16 at least twice in a row during the CC.
What Are The Potential Causes Of The Cadillac P1377 Code?
Below are some potential causes of this DTC:
- IC fuel control 4X signal circuit is open, shorted to ground or B+
- CMP sensor signal circuit is open or has high resistance
- CMP high or low reference circuit is open or high resistance
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
>>> DNJ CAM3104 Camshaft for 1996-2002 Cadillac
Note: During the purchasing process, please check carefully whether the part you want to buy fits your car!
