P0337 Cadillac Code - Crankshaft Position Sensor Circuit Low Duty Cycle
Quick Answer
The Crankshaft Position Sensor (CKP) also known as the crank position sensor is an electronic device used in an engine to record the rate at which the crankshaft is spinning. Common causes include Faulty crankshaft position sensor, Crankshaft position sensor harness is open or shorted, Crankshaft position 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
- P0337 Cadillac indicates Crankshaft Position Sensor Circuit Low Duty Cycle.
- Common causes
- Common causes include Faulty crankshaft position sensor, Crankshaft position sensor harness is open or shorted, Crankshaft position 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 P0337 Cadillac Description
When the engine is running, the high and low parts of the teeth cause the gap with the sensor to change. The changing gap causes the magnetic field near the sensor to change. The change in the magnetic field cause the voltage from the sensor to change.
What are the Possible Causes of the DTC P0337 Cadillac?
- Faulty crankshaft position sensor
- Crankshaft position sensor harness is open or shorted
- Crankshaft position sensor circuit poor electrical connection
- Signal plate may be damage
- Starter motor may be faulty
- Starting system circuit
- Dead or weak battery
How to Fix the DTC P0337 Cadillac?
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 P0337 Cadillac 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 P0337 Cadillac Code
1. What are the common symptoms of OBDII code P0337 in a Cadillac related to the crankshaft position sensor circuit low duty cycle?
The common symptoms include engine misfires, rough idling, stalling, decreased fuel efficiency, and difficulty starting the vehicle.
2. What are the possible causes of OBDII code P0337 in a Cadillac indicating a low duty cycle in the crankshaft position sensor circuit?
The code P0337 in a Cadillac can be caused by a faulty crankshaft position sensor, damaged wiring or connectors in the sensor circuit, or issues with the engine control module (ECM).
3. How can I diagnose the OBDII code P0337 in a Cadillac related to the crankshaft position sensor circuit low duty cycle?
Diagnosing the issue involves using a scan tool to read the code, testing the crankshaft position sensor for proper operation, inspecting the wiring and connectors for damage, and checking the ECM for any faults.
4. Can I still drive my Cadillac with OBDII code P0337 indicating a low duty cycle in the crankshaft position sensor circuit?
It is not recommended to drive the vehicle with code P0337 present, as it can lead to more severe engine problems and potential breakdowns. It is advisable to address the issue promptly.
5. How can I repair OBDII code P0337 in a Cadillac related to the crankshaft position sensor circuit low duty cycle?
Repairing the issue involves replacing the faulty crankshaft position sensor, repairing or replacing damaged wiring or connectors, and clearing the code from the ECM using a scan tool.
6. Are there any DIY tips for fixing OBDII code P0337 in a Cadillac myself?
While some experienced DIYers may attempt to replace the crankshaft position sensor themselves, it is recommended to consult a professional mechanic for proper diagnosis and repair to ensure the issue is resolved correctly.
7. How much does it typically cost to fix OBDII code P0337 in a Cadillac due to a low duty cycle in the crankshaft position sensor circuit?
The cost of repair can vary depending on the exact cause of the issue, but it may range from $100 to $300 for parts and labor, excluding diagnostic fees.
8. Can a faulty crankshaft position sensor cause other OBDII codes to appear in a Cadillac besides P0337?
Yes, a faulty crankshaft position sensor can cause other related codes to appear, such as P0335 (Crankshaft Position Sensor "A" Circuit) or P0338 (Crankshaft Position Sensor "A" Circuit High Input).
9. Will resetting the OBDII code P0337 in a Cadillac make the issue go away permanently?
Simply resetting the code may temporarily clear the warning light, but if the underlying issue causing the code is not addressed and repaired, the code is likely to reappear.
10. How urgent is it to address OBDII code P0337 in a Cadillac indicating a low duty cycle in the crankshaft position sensor circuit?
It is recommended to address the issue promptly to prevent potential engine damage and ensure the vehicle operates safely and efficiently.
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