Engine-CodesBuick – P1380 Buick

P1380 Buick Code - Misfire Detected - Rough Road Data Not Available

Quick Answer

The P1380 Buick code indicates that a misfire has been detected in the engine, specifically on rough roads. Common causes include Faulty ignition system components, such as spark plugs or ignition coils, 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 Buick indicates Misfire Detected - Rough Road Data Not Available.
Common causes
Common causes include Faulty ignition system components, such as spark plugs or ignition coils, 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.
Table of contents Created and updated by William Orellana on Sep 07, 2024
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Code P1380 Buick Description

The P1380 Buick code indicates that a misfire has been detected in the engine, specifically on rough roads. This means that the engine is not running smoothly and is likely experiencing a lack of power or hesitation during acceleration. When the vehicle is driven on rough terrain, the misfire becomes more noticeable and can lead to a rough driving experience. The rough road data not being available suggests that the vehicle's sensors may not be able to accurately assess the engine's performance under these conditions.

OBDII Code P1380 Buick - Misfire Detected - Rough Road Data Not Available
P1380 Buick Code - Misfire Detected - Rough Road Data Not Available

Common Causes of P1380 Buick

  1. Faulty ignition system components, such as spark plugs or ignition coils
  2. Clogged fuel injectors
  3. Vacuum leaks in the intake system
  4. Issues with the engine's sensors, such as the crankshaft position sensor
  5. Incorrect ignition timing

Symptoms of P1380 Buick

  1. Engine misfiring or running rough
  2. Loss of power or acceleration
  3. Hesitation or jerking during acceleration
  4. Illumination of the Check Engine Light
  5. Increased fuel consumption

How to Fix P1380 Buick

  1. Diagnose the specific cause of the misfire by conducting a thorough inspection of the ignition system, fuel system, and engine sensors.
  2. Replace any faulty spark plugs, ignition coils, or fuel injectors that may be causing the misfire.
  3. Check for and repair any vacuum leaks in the intake system.
  4. Verify and adjust the ignition timing if necessary.
  5. Clear the diagnostic trouble codes and test drive the vehicle to ensure the misfire has been resolved.

Cost to Fix P1380 Buick

The cost of repairing a misfire detected - rough road data not available (P1380 Buick) can vary depending on the specific cause of the issue and the labor rates of the repair shop. On average, the repair costs for this type of issue can range from $150 to $500, including parts and labor. It's important to note that additional diagnostic time may be needed to pinpoint the exact cause of the misfire, which can increase the overall repair costs. It's recommended to consult with a certified mechanic for a more accurate estimate based on the specific circumstances of your vehicle.

Tech Notes for P1380 Buick

If the P1380 code is set with other codes, repair other codes first and then clear the code.

When is the Code Detected?

If the Electronic Brake Control Module (EBCM) detects a condition which will not allow the EBCM to properly identify rough road situations while a misfire condition is being detected by the Powertrain Control Module (PCM), DTC P1380 will set.

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About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

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