P0336 GMC Code - Crankshaft Position Sensor Performance
Quick Answer
The P0336 diagnostic trouble code for GMC vehicles indicates an issue with the crankshaft position sensor's performance. Common causes include Faulty crankshaft position sensor, Damaged or corroded sensor wiring, Poor electrical connections. 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
- P0336 GMC indicates Crankshaft Position Sensor Performance.
- Common causes
- Common causes include Faulty crankshaft position sensor, Damaged or corroded sensor wiring, Poor electrical connections.
- 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.
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.
Code P0336 GMC Description
The P0336 diagnostic trouble code for GMC vehicles indicates an issue with the crankshaft position sensor's performance. The crankshaft position sensor is a vital component of the engine management system, as it provides the engine control module (ECM) with information about the crankshaft's position and speed. This information is crucial for proper ignition timing and fuel injection timing, ensuring smooth engine operation. When the ECM detects that the crankshaft position sensor is not performing within expected parameters, it triggers the P0336 trouble code.
Common Causes of P0336 GMC
- Faulty crankshaft position sensor
- Damaged or corroded sensor wiring
- Poor electrical connections
- Engine timing belt or chain issues
- ECM software or hardware problems
Symptoms of P0336 GMC
- Engine misfires
- Rough idling or stalling
- Difficulty starting the engine
- Reduced fuel efficiency
- Illumination of the check engine light
How to Fix P0336 GMC
- Diagnose the issue by using a scan tool to confirm the P0336 trouble code and check the sensor's performance.
- Inspect the wiring and connections leading to the crankshaft position sensor for any damage or corrosion.
- Test the sensor's output using a multimeter to determine if it is faulty.
- Replace the crankshaft position sensor if it is found to be defective.
- Clear the trouble code from the ECM's memory and road test the vehicle to ensure the issue has been resolved.
Cost to Fix P0336 GMC
The cost of repairing a P0336 code can vary depending on the cause of the issue and the specific vehicle make and model. Generally, the price range for replacing a crankshaft position sensor can be between $100 to $300, including parts and labor. However, additional costs may be incurred if other related components need to be replaced or if further diagnostics are required. It is advisable to consult with a reputable auto repair shop for a more accurate cost estimate based on your particular situation.
Need more information about the P0336 GMC code?
Need more information on how to fix the P0336 GMC code? Get Access to Factory Service Manuals
Need Help with the Code?
Get the P0336 GMC code diagnosed by a professional: Find a repair shop in your area
Information for Specific GMC Models
- P0336 2014 GMC Sierra — Crankshaft Position Sensor Performance
- P0336 2015 GMC Sierra — Crankshaft Position Sensor Performance
- P0336 2016 GMC Sierra — Crankshaft Position Sensor Performance
- P0336 2017 GMC Sierra — Crankshaft Position Sensor Performance
- P0336 2018 GMC Sierra — Crankshaft Position Sensor Performance
Frequently Asked Questions about P0336 GMC Code
1. What does the OBDII code P0336 mean for a GMC vehicle?
P0336 indicates a problem with the crankshaft position sensor circuit, specifically issues with its performance or signal range.
2. What are the common symptoms of code P0336 in a GMC?
Symptoms include engine misfires, difficulty starting, stalling, reduced power, and the Check Engine Light turning on.
3. What causes the P0336 code in a GMC?
Common causes include a faulty crankshaft position sensor, damaged wiring or connectors, a failing reluctor ring, or improper sensor alignment.
4. Can a bad crankshaft position sensor cause a GMC engine not to start?
Yes, a failing crankshaft position sensor can prevent the engine from starting because the sensor provides critical timing signals.
5. How do you diagnose the P0336 code in a GMC?
Diagnosis involves checking the crankshaft position sensor, inspecting its wiring and connectors, testing the reluctor ring, and using a scan tool to analyze live data.
6. Can I drive my GMC with the P0336 code active?
Driving with P0336 is not recommended, as it can lead to stalling or further engine damage due to timing issues.
7. How can the P0336 code be fixed on a GMC vehicle?
Repairs may include replacing the crankshaft position sensor, repairing damaged wiring, realigning the sensor, or inspecting and replacing the reluctor ring.
8. How much does it cost to fix the P0336 code on a GMC?
Repair costs vary but typically range from $100 to $300, depending on whether the sensor or related components need replacement.
9. Can a weak battery cause the P0336 code in a GMC?
A weak battery is unlikely to cause this code directly, but low voltage can impact sensor performance and trigger related codes.
10. Does the P0336 code affect fuel efficiency in a GMC?
Yes, P0336 can impact fuel efficiency due to improper engine timing and performance issues.
Discuss the causes and fixes for P0336 GMC OBDII Code
Code P0336 GMC comments
No comments found for this page.
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.