Engine-CodesChevrolet – P1323 Chevrolet

P1323 Chevrolet Code - IC 24X Reference Circuit Low Frequency

Quick Answer

The P1323 Chevrolet diagnostic trouble code (DTC) specifically refers to the IC 24X Reference Circuit Low Frequency in the vehicle's engine control module (ECM). Common causes include Faulty IC 24X sensor, Damaged wiring or connectors related to the IC 24X circuit, ECM malfunction. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

What it means
P1323 Chevrolet indicates IC 24X Reference Circuit Low Frequency.
Common causes
Common causes include Faulty IC 24X sensor, Damaged wiring or connectors related to the IC 24X circuit, ECM malfunction.
Severity
High - diagnose this code as soon as possible.
Can I drive?
Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
Table of contents Created and updated by William Orellana on Sep 10, 2024
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Code P1323 Chevrolet Description

The P1323 Chevrolet diagnostic trouble code (DTC) specifically refers to the IC 24X Reference Circuit Low Frequency in the vehicle's engine control module (ECM). This code indicates that there is a problem with the circuit responsible for providing reference signals to the ECM. In simpler terms, the ECM is not receiving the expected frequency of signals from the IC 24X sensor, which can lead to various issues with engine performance.

OBDII Code P1323 Chevrolet - IC 24X Reference Circuit Low Frequency
P1323 Chevrolet Code - IC 24X Reference Circuit Low Frequency

Common Causes of P1323 Chevrolet

  1. Faulty IC 24X sensor
  2. Damaged wiring or connectors related to the IC 24X circuit
  3. ECM malfunction
  4. Corrosion or poor connections in the circuit
  5. Incorrect installation or calibration of the IC 24X sensor

Symptoms of P1323 Chevrolet

  1. Engine misfires or runs rough
  2. Difficulty starting the engine
  3. Stalling or hesitation during acceleration
  4. Reduced engine performance
  5. Illuminated check engine light

How to Fix P1323 Chevrolet

  1. Begin by using a diagnostic scanner to retrieve the trouble codes and data related to the IC 24X Reference Circuit Low Frequency.
  2. Inspect the wiring harness and connectors for any signs of damage, corrosion, or poor connections. Repair or replace as needed.
  3. Test the IC 24X sensor using a multimeter to ensure it is functioning within specifications. Replace if necessary.
  4. Check the ECM for any signs of damage or malfunction. Replacing the ECM may be required in some cases.
  5. Clear the DTCs from the ECM's memory and perform a test drive to verify that the issue has been resolved.

Cost to Fix P1323 Chevrolet

The cost of repairing a P1323 Chevrolet code can vary depending on the specific cause of the issue. On average, you can expect to pay between $200 and $500 for parts and labor. This estimate includes the cost of a new IC 24X sensor, potential wiring repairs, and diagnostic time. It is important to note that labor rates at auto repair shops can vary, so it's recommended to obtain quotes from multiple sources before proceeding with the repair.

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About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

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