P1335 Chevrolet Code - Crankshaft Position Circuit
Quick Answer
The P1335 Chevrolet diagnostic trouble code (DTC) refers to a fault in the crankshaft position circuit. Common causes include Faulty crankshaft position sensor, Damaged or worn-out wiring connecting the sensor to the ECM, Poor electrical connections or corrosion in the sensor circuit. 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
- P1335 Chevrolet indicates Crankshaft Position Circuit.
- Common causes
- Common causes include Faulty crankshaft position sensor, Damaged or worn-out wiring connecting the sensor to the ECM, Poor electrical connections or corrosion in the sensor circuit.
- 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 P1335 Chevrolet Description
The P1335 Chevrolet diagnostic trouble code (DTC) refers to a fault in the crankshaft position circuit. The crankshaft position sensor is a critical component in the engine management system, as it detects the position of the crankshaft in relation to the engine's timing. This information is crucial for the engine control module (ECM) to determine the precise timing of fuel injection and ignition.
Common Causes of P1335 Chevrolet
- Faulty crankshaft position sensor
- Damaged or worn-out wiring connecting the sensor to the ECM
- Poor electrical connections or corrosion in the sensor circuit
- ECM communication issues
- Engine overheating leading to sensor malfunction
Symptoms of P1335 Chevrolet
- Engine misfires or rough idling
- Difficulty starting the engine
- Decreased fuel efficiency
- Engine stalling or shutting off unexpectedly
- Illumination of the check engine light
How to Fix P1335 Chevrolet
- Diagnose the issue by using a scan tool to retrieve the specific trouble code and check the crankshaft position sensor's output.
- Inspect the wiring and connections for any signs of damage, corrosion, or loose connections. Repair or replace as necessary.
- Test the crankshaft position sensor using a multimeter to verify its functionality. Replace the sensor if it fails the test.
- Clear the DTC from the ECM memory and reset the system to see if the issue persists.
- Test drive the vehicle to ensure that the problem has been resolved and the engine is running smoothly.
Cost to Fix P1335 Chevrolet
The cost of repairing a P1335 Chevrolet crankshaft position circuit issue can vary depending on the specific cause of the problem and the labor rates in your area. On average, the cost of replacing a faulty crankshaft position sensor can range from $100 to $300, including parts and labor. However, additional costs may apply if wiring repairs or ECM reprogramming are necessary. It's advisable to consult with a trusted mechanic or auto repair shop to get an accurate estimate based on your vehicle's make and model. Keep in mind that diagnostic time and labor rates can influence the overall cost of the repair.
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