P2322 2014 GMC Sierra Code - Ignition Coil 8 Control Circuit High Voltage
Quick Answer
The ignition system on this engine uses ignition coils with integrated power transistors. Common causes include Faulty Ignition Coil 8, Ignition Coil 8 harness is open or shorted, Ignition Coil 8 circuit poor electrical connection. 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
- P2322 2014 GMC Sierra indicates Ignition Coil 8 Control Circuit High Voltage.
- Common causes
- Common causes include Faulty Ignition Coil 8, Ignition Coil 8 harness is open or shorted, Ignition Coil 8 circuit poor electrical connection.
- 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.
Code P2322 2014 GMC Sierra Description
What are the Possible Causes of the DTC P2322 2014 GMC Sierra?
- Faulty Ignition Coil 8
- Ignition Coil 8 harness is open or shorted
- Ignition Coil 8 circuit poor electrical connection
- Faulty Engine Control Module (ECM)
How to Fix the DTC P2322 2014 GMC Sierra?
Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the P2322 2014 GMC Sierra code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.
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Frequently Asked Questions about P2322 2014 GMC Sierra Code
1. What does the OBDII code P2322 mean on a 2014 GMC Sierra?
P2322 indicates that the Powertrain Control Module (PCM) has detected high voltage in the Ignition Coil 8 Control Circuit.
2. What are the common symptoms of code P2322 in a 2014 GMC Sierra?
Symptoms may include engine misfires, rough idling, reduced acceleration, poor fuel economy, and an illuminated Check Engine Light.
3. What causes the P2322 code to appear in a 2014 GMC Sierra?
Possible causes include a faulty ignition coil, damaged wiring or connectors in the coil circuit, a defective PCM, or excessive resistance in the circuit.
4. Which ignition coil is affected by the P2322 code on a 2014 GMC Sierra?
The code specifically refers to Ignition Coil 8, which is typically located on the eighth cylinder of the engine.
5. Can I drive my 2014 GMC Sierra with a P2322 code?
Driving with this code is not recommended as it can cause engine misfires, which may lead to further damage to the engine or catalytic converter.
6. How do I troubleshoot the P2322 code on a 2014 GMC Sierra?
Start by inspecting the wiring and connectors for Ignition Coil 8, testing the coil itself for proper function, and checking for signs of excessive resistance or short circuits.
7. How do I clear the P2322 code on a 2014 GMC Sierra?
After fixing the root cause, the code can be cleared using an OBDII scanner, but it may reappear if the issue is not fully resolved.
8. What tools are needed to diagnose the P2322 code on a 2014 GMC Sierra?
You’ll need an OBDII scanner, a multimeter to test electrical connections, and possibly a spark tester to check the ignition coil.
9. How much does it cost to repair a P2322 code on a 2014 GMC Sierra?
Repair costs vary but may range from $50 to $150 for a replacement ignition coil, plus labor costs if done at a repair shop.
10. Can a bad PCM cause the P2322 code on a 2014 GMC Sierra?
Yes, although it’s less common, a malfunctioning PCM can send incorrect signals to the ignition coil, triggering this code.
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