P1371 Buick Code - Missing Low Resolution Signal
Quick Answer
P1371 Buick indicates Missing Low Resolution Signal. Common causes include Faulty Crankshaft Sensor, Crankshaft Sensor harness is open or shorted, Crankshaft Sensor 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
- P1371 Buick indicates Missing Low Resolution Signal.
- Common causes
- Common causes include Faulty Crankshaft Sensor, Crankshaft Sensor harness is open or shorted, Crankshaft Sensor 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 P1371 Buick Description
What are the Possible Causes of the DTC P1371 Buick?
- Faulty Crankshaft Sensor
- Crankshaft Sensor harness is open or shorted
- Crankshaft Sensor circuit poor electrical connection
- Faulty Ignition Control Module
How to Fix the DTC P1371 Buick?
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 P1371 Buick 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 P1371 Buick Code
1. What does the OBDII code P1371 mean on a Buick?
P1371 indicates a "Missing Low Resolution Signal," meaning the engine's control module (ECM) is not receiving a proper signal from the low-resolution portion of the crankshaft position sensor.
2. What are the symptoms of code P1371 on a Buick?
Common symptoms include engine misfires, difficulty starting, rough idling, reduced engine performance, and the Check Engine Light being illuminated.
3. What causes the P1371 code to appear on a Buick?
The code is often caused by a faulty crankshaft position sensor, wiring issues like damaged or corroded connectors, or a malfunctioning ignition control module.
4. Can I drive my Buick with a P1371 code?
Driving with this code is not recommended as it can lead to poor engine performance, potential stalling, and further damage to engine components.
5. How do I diagnose the P1371 code on my Buick?
Diagnosis involves using a scan tool to confirm the code, inspecting the crankshaft position sensor and its wiring for damage, and testing the ignition control module for proper function.
6. How do I fix the P1371 code on a Buick?
Common fixes include replacing the crankshaft position sensor, repairing damaged wiring or connectors, or replacing the ignition control module if necessary.
7. How much does it cost to repair a P1371 code on a Buick?
Repair costs can vary, but replacing a crankshaft position sensor typically ranges from $150 to $300, depending on labor rates and parts pricing.
8. Can a bad battery cause the P1371 code on a Buick?
While uncommon, a weak or failing battery can sometimes contribute to electrical issues, including sensor malfunctions, so it’s worth checking the battery and charging system.
9. What tools are needed to fix a P1371 code on a Buick?
Basic tools include a diagnostic scan tool, a multimeter for testing voltage and continuity, and possibly a socket set for removing and replacing the crankshaft position sensor.
10. Can a dirty or worn-out crankshaft position sensor trigger the P1371 code?
Yes, debris or wear on the sensor can cause it to provide inaccurate signals, leading to the P1371 code being set. Cleaning or replacing the sensor may resolve the issue.
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