OBD Guide
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P1323

24X Reference Circuit Low Frequency

P1323 is an OBD-II diagnostic trouble code meaning: 24X Reference Circuit Low Frequency. Common causes: damage to sensor wiring or connectors, 24x crankshaft position sensor malfunction. Estimated repair cost: $17–56.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$17–56 (est.)

Symptoms

  • Unstable engine idling
  • Misfires
  • Difficulty starting the engine
  • Reduced engine power
  • Check Engine light comes on

Causes

  • Damage to sensor wiring or connectors
  • 24X Crankshaft Position Sensor Malfunction
  • Gear damage
  • Circuit Grounding Problems
  • Engine control module (ECM) malfunction

How to Fix

  1. Check the integrity of the sensor wiring and connectors
  2. Check the resistance and signal of the crankshaft position sensor 24X
  3. Inspect the gear for damage
  4. Check circuit grounding
  5. If necessary, replace the sensor or wiring

Related codes

P1320P1321P1322

Error P1323 by Vehicle Brand

BuickCadillacChevroletChryslerGMGMCOldsmobileSaturnVolkswagen

FAQ

What does the P1323 code mean?

P1323 is an OBD-II diagnostic trouble code that indicates: 24X Reference Circuit Low Frequency

What causes a P1323 error code?

The most common causes of P1323 include: Damage to sensor wiring or connectors; 24X Crankshaft Position Sensor Malfunction; Gear damage; Circuit Grounding Problems.

How do I fix a P1323 diagnostic trouble code?

To fix P1323: Check the integrity of the sensor wiring and connectors. Check the resistance and signal of the crankshaft position sensor 24X. Inspect the gear for damage. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P1323?

Yes, but get it checked soon

How much does it cost to fix P1323?

The estimated repair cost for P1323 is $17–56. Actual cost depends on your vehicle, location, and labor rates.

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