Engine-Codes - Generic - P1323

P1323 - 24X Reference Circuit Low Frequency

Repair Importance Level: 3/3
Repair Difficulty Level: 3/3  What is this?
Table of contents

P1323 Possible Causes

  • Faulty 24X CKP sensor
  • 24X CKP sensor harness is open or shorted
  • 24X CKP sensor circuit poor electrical connection

How is the P1323 code repair?

Start by checking the "Possible Causes" listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector's pins.

What is the cost to diagnose the P1323 code

Labor: 1.0

The cost to diagnose the P1323 code is 1.0 hour of labor. The auto repair labor rates vary widely across the country, and even within the same city. Most auto repairs shops charge between $75 and $150 per hour.

When is the code detected?

No 24X reference pulses received by the Powertrain Control Module (PCM) and the line is low for 4 seconds.

Possible Symptoms

  • Engine Light ON (or Service Engine Soon Warning Light)

P1323 Meaning

The Ignition Control Module creates a 4X signal and a 24X signal that is used by the PCM for ignition and fuel control. In this diagnostic test, the PCM checks for 4X reference pulses being received without 24X reference pulses. When the engine is running and the PCM is receiving 4X reference pulses without 24X reference pulses and the 24X reference signal line is low for 4 seconds, DTC P1323 is set.

More Information

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