P1380 GMC Code - Misfire Detected - Rough Road Data Not Available
Quick Answer
The P1380 diagnostic trouble code (DTC) for GMC vehicles indicates that a misfire has been detected, but the rough road data is not available. Common causes include Faulty ignition coils or spark plugs, Clogged fuel injectors, Vacuum leaks in the intake system. 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
- P1380 GMC indicates Misfire Detected - Rough Road Data Not Available.
- Common causes
- Common causes include Faulty ignition coils or spark plugs, Clogged fuel injectors, Vacuum leaks in the intake system.
- 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 P1380 GMC Description
The P1380 diagnostic trouble code (DTC) for GMC vehicles indicates that a misfire has been detected, but the rough road data is not available. This means that the engine control module (ECM) has detected an irregular combustion event in one or more cylinders of the engine, which is causing a noticeable roughness or hesitation in the vehicle's performance. The rough road data not being available suggests that the misfire is occurring under specific driving conditions, such as driving on rough or uneven roads, where the ECM is unable to gather accurate data to pinpoint the issue.
Common Causes of P1380 GMC
- Faulty ignition coils or spark plugs
- Clogged fuel injectors
- Vacuum leaks in the intake system
- Malfunctioning oxygen sensors
- Engine mechanical issues such as low compression or valve problems
Symptoms of P1380 GMC
- Engine misfiring or rough idling
- Decreased acceleration or power
- Increased fuel consumption
- Illuminated check engine light
- Engine vibration or shaking while driving
How to Fix P1380 GMC
- Use an OBD-II scanner to retrieve the specific cylinder(s) causing the misfire.
- Inspect and replace faulty ignition coils or spark plugs.
- Clean or replace clogged fuel injectors.
- Check for vacuum leaks and repair as necessary.
- Perform a compression test to diagnose any engine mechanical issues.
Cost to Fix P1380 GMC
The cost of repairing a misfire detected with the P1380 code on a GMC vehicle can vary depending on the specific cause of the issue and the labor rates in your area. On average, the repair cost can range from $100 to $500, including parts and labor. Keep in mind that additional diagnostic time may be needed to pinpoint the exact cause of the misfire, which could increase the overall cost. It is advisable to consult with a trusted mechanic or auto repair shop to get a more accurate estimate based on your vehicle's make and model.
Tech Notes for P1380 GMC
When is the Code Detected?
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