P1371 Pontiac Code - Missing Low Resolution Signal
Quick Answer
P1371 Pontiac 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 Pontiac 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 Pontiac Description
What are the Possible Causes of the DTC P1371 Pontiac?
- 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 Pontiac?
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 Pontiac 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 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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