P1387 Volkswagen Code - Control Unit Internal Altitude Sensor
Quick Answer
The P1387 Volkswagen code indicates a problem with the Control Unit Internal Altitude Sensor. Common causes include Faulty altitude sensor, Wiring or connection issues, Corrosion on sensor contacts. 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
- P1387 Volkswagen indicates Control Unit Internal Altitude Sensor.
- Common causes
- Common causes include Faulty altitude sensor, Wiring or connection issues, Corrosion on sensor contacts.
- 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 P1387 Volkswagen Description
The P1387 Volkswagen code indicates a problem with the Control Unit Internal Altitude Sensor. This sensor is responsible for monitoring the altitude at which the vehicle is operating and adjusting various engine parameters accordingly. The altitude sensor is crucial for ensuring optimal fuel delivery, ignition timing, and overall engine performance. When this sensor malfunctions, it can lead to a variety of issues that can affect the vehicle's drivability and performance.
Common Causes of P1387 Volkswagen
- Faulty altitude sensor
- Wiring or connection issues
- Corrosion on sensor contacts
- Electronic control unit (ECU) malfunction
- Environmental factors such as extreme temperature changes
Symptoms of P1387 Volkswagen
- Rough idling or stalling
- Decreased fuel efficiency
- Engine misfires
- Lack of power or acceleration
- Check engine light illuminated
How to Fix P1387 Volkswagen
- Diagnose the issue by using a diagnostic scanner to retrieve the fault code and identify the specific problem with the altitude sensor.
- Inspect the wiring and connections to ensure they are secure and free of corrosion.
- Test the altitude sensor using a multimeter to verify its functionality.
- Replace the altitude sensor if it is determined to be faulty.
- Clear the fault code and test drive the vehicle to ensure the issue has been resolved.
Cost to Fix P1387 Volkswagen
The cost of repairing a Control Unit Internal Altitude Sensor issue can vary depending on the extent of the problem and the specific parts needed for replacement. In general, the cost of replacing the altitude sensor itself can range from $100 to $300, with additional costs for labor and diagnostic time. Overall, the total repair cost including parts and labor can be expected to fall within the range of $200 to $500. It's important to note that labor rates at auto repair shops can vary, so it's advisable to check with local shops for more accurate pricing information.
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