P1371 Pontiac Code - Missing Low Resolution Signal
Quick Answer
The P1371 diagnostic trouble code (DTC) for Pontiac vehicles indicates a problem with the low resolution signal from the crankshaft position sensor. Common causes include Faulty crankshaft position sensor, Damaged wiring or connectors, Malfunctioning ECM. 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 Pontiac indicates Missing Low Resolution Signal.
- Common causes
- Common causes include Faulty crankshaft position sensor, Damaged wiring or connectors, Malfunctioning ECM.
- 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 P1371 Pontiac Description
The P1371 diagnostic trouble code (DTC) for Pontiac vehicles indicates a problem with the low resolution signal from the crankshaft position sensor. The crankshaft position sensor is a vital component in the ignition system, responsible for detecting the position and speed of the crankshaft, which is crucial for the engine control module (ECM) to determine the correct ignition timing and fuel injection strategy.
Common Causes of P1371 Pontiac
- Faulty crankshaft position sensor
- Damaged wiring or connectors
- Malfunctioning ECM
- Issues with the reluctor wheel on the crankshaft
- Mechanical damage to the crankshaft position sensor
Symptoms of P1371 Pontiac
- Engine misfires
- Rough idling or stalling
- Poor acceleration
- Difficulty starting the engine
- Reduced fuel efficiency
How to Fix P1371 Pontiac
- Diagnose the issue using a scan tool to confirm the P1371 code and identify the exact cause of the problem.
- Inspect the crankshaft position sensor, wiring, and connectors for any signs of damage or corrosion.
- Test the crankshaft position sensor's resistance and voltage output to determine if it is functioning correctly.
- Replace the faulty crankshaft position sensor or repair any damaged wiring or connectors as needed.
- Clear the DTC from the ECM's memory and perform a road test to ensure the issue has been resolved.
Cost to Fix P1371 Pontiac
The typical repair costs for addressing a P1371 code on a Pontiac vehicle can range from $150 to $300, including parts and labor. However, the specific cost can vary depending on the make and model of the vehicle, the location of the repair shop, and the extent of the repairs needed. It is advisable to consult with a trusted mechanic or dealership to obtain a more accurate estimate based on your specific circumstances. Keep in mind that diagnostic time and labor rates at auto repair shops can vary, with hourly rates typically ranging from $80 to $150.
When is the Code Detected?
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Frequently Asked Questions about P1371 Pontiac Code
1. What does the OBDII code P1371 mean on a Pontiac?
P1371 indicates a "Missing Low Resolution Signal," meaning the Engine Control Module (ECM) is not receiving a proper signal from the crankshaft position sensor or ignition control module.
2. What are the common symptoms of code P1371 in a Pontiac?
Common symptoms include rough idling, engine misfires, difficulty starting, reduced power, and the check engine light being illuminated.
3. What causes the P1371 code to appear on a Pontiac?
The code can be caused by a faulty crankshaft position sensor, defective ignition control module, damaged wiring, loose connections, or issues within the ECM.
4. How do you diagnose the P1371 code on a Pontiac?
Diagnosis involves scanning for additional codes, inspecting the crankshaft position sensor and ignition module, checking wiring and connectors, and testing the signal output with a multimeter or oscilloscope.
5. Can a bad crankshaft position sensor cause the P1371 code?
Yes, a malfunctioning crankshaft position sensor is a common cause of the P1371 code because it disrupts the low-resolution signal sent to the ECM.
6. Is it safe to drive a Pontiac with the P1371 code?
Driving with this code is not recommended, as it can lead to poor engine performance, potential stalling, or further damage to engine components.
7. How can you fix the P1371 code on a Pontiac?
Repairs may include replacing the crankshaft position sensor, repairing damaged wiring, cleaning corroded connectors, or replacing the ignition control module if faulty.
8. What tools are needed to fix the P1371 code on a Pontiac?
Tools may include an OBDII scanner, multimeter, socket set, and wiring diagrams for diagnosing and repairing the issue.
9. Can the P1371 code be caused by a weak battery or alternator?
While less common, a weak battery or failing alternator can cause electrical issues that may trigger this code.
10. Will clearing the P1371 code without repairs solve the issue?
Clearing the code without addressing the root cause will not fix the problem, and the code is likely to return.
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