P1323 GMC Code - IC 24X Reference Circuit Low Frequency
Quick Answer
The P1323 GMC diagnostic trouble code (DTC) indicates that there is a low frequency detected in the IC 24X Reference Circuit. Common causes include Faulty crankshaft position sensor, Damaged wiring harness, Poor connection in the circuit. 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 GMC indicates IC 24X Reference Circuit Low Frequency.
- Common causes
- Common causes include Faulty crankshaft position sensor, Damaged wiring harness, Poor connection in the circuit.
- 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.
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Code P1323 GMC Description
The P1323 GMC diagnostic trouble code (DTC) indicates that there is a low frequency detected in the IC 24X Reference Circuit. In simpler terms, this means that the engine control module (ECM) is not receiving the expected frequency signal from the 24X reference circuit. This can lead to various issues with the vehicle's performance, as the ECM relies on this signal to accurately control ignition timing and fuel delivery.
Common Causes of P1323 GMC
- Faulty crankshaft position sensor
- Damaged wiring harness
- Poor connection in the circuit
- Malfunctioning ECM
Symptoms of P1323 GMC
- Rough idling
- Engine misfires
- Hesitation during acceleration
- Decreased fuel efficiency
- Engine stalling
How to Fix P1323 GMC
- Begin by performing a thorough inspection of the wiring harness and connectors related to the IC 24X Reference Circuit. Look for any signs of damage, corrosion, or loose connections.
- Test the crankshaft position sensor using a multimeter to ensure it is functioning correctly. Replace the sensor if necessary.
- Check the ECM for any signs of malfunction and consider reprogramming or replacing it if needed.
- Clear the DTC using an OBD-II scanner and test drive the vehicle to ensure the issue has been resolved.
Cost to Fix P1323 GMC
The cost of repairing a P1323 GMC code can vary depending on the specific cause of the issue. In general, replacing a faulty crankshaft position sensor can cost between $100 to $300, while addressing wiring harness issues or replacing the ECM can range from $200 to $800 or more. Labor costs at auto repair shops typically range from $80 to $150 per hour. It is advisable to consult with a professional mechanic to get an accurate estimate based on your vehicle's make and model.
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