Cadillac P1375: IC Module 24X Reference Circuit High Input

Is your scanner showing Cadillac P1375?
No worries. We'll show you what it means and how to deal with it.

Presented by
Randy Worner

Cadillac P1375: IC Module 24X Reference Circuit High Input

OVERVIEW
Severity
:
Medium
DIY Difficulty Level
:
Advanced
Repair Cost
:
$50-$300
Can I Still Drive?
:
Yes

What Does The Cadillac P1375 Code Mean?

DTC P1376 not set, engine started, engine speed over 496 rpm, at least 7 CMP pulses detected since key “on”, and the PCM detected the 24X signal was high, and that it did not receive any 24X REF pulses during the last eight (8) 4X REF pulses during the CC

What Are The Potential Causes Of The Cadillac P1375 Code?

  • CKP Sensor ‘A’ signal circuit is open or shorted to ground
  • Crank Sensor ‘A’ is damaged or has failed
  • Crank Sensor ‘B’ low circuit is shorted to CKP ‘A’ high circuit
  • Crank Sensor ‘B’ is damaged or has failed
  • IC module is damaged or has failed
  • PCM had 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!

Reference Sources

GM, 2013, Service Bullettin – Prior To Any Circuit Testing.

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