24X Reference Circuit Low Frequency
Table of contents
P1323 BUICK Possible Causes
- Faulty 24X CKP sensor
- 24X CKP sensor harness is open or shorted
- 24X CKP sensor circuit poor electrical connection
How do I fix code P1323 BUICK?
Check 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.
Cost of diagnosing the P1323 BUICK code
The cost of diagnosing the P1323 BUICK code is 1.0 hour of labor. The auto repair labor rates vary by location, your vehicle’s make and model, and even your engine type. 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 BUICK Description
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.