P0852 2015 Chevrolet Silverado Code - Park/Neutral Position Switch Circuit High Voltage
Quick Answer
The P0852 diagnostic trouble code (DTC) for a 2015 Chevrolet Silverado indicates a problem with the Park/Neutral Position (PNP) switch circuit registering high voltage. Common causes include Faulty PNP switch, Corroded or damaged wiring in the PNP switch circuit, Loose or 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
- P0852 2015 Chevrolet Silverado indicates Park/Neutral Position Switch Circuit High Voltage.
- Common causes
- Common causes include Faulty PNP switch, Corroded or damaged wiring in the PNP switch circuit, Loose or 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.
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Code P0852 2015 Chevrolet Silverado Description
The P0852 diagnostic trouble code (DTC) for a 2015 Chevrolet Silverado indicates a problem with the Park/Neutral Position (PNP) switch circuit registering high voltage. The PNP switch, also known as the transmission range sensor, is responsible for informing the vehicle's computer about the gear position (Park, Neutral, Drive, Reverse, etc.). When the PNP switch circuit detects high voltage, it means that the signal being sent to the engine control module (ECM) is outside the expected range.
Common Causes of P0852 2015 Chevrolet Silverado
- Faulty PNP switch
- Corroded or damaged wiring in the PNP switch circuit
- Loose or poor electrical connections
- ECM software issues
- Water or debris intrusion in the PNP switch circuit
Symptoms of P0852 2015 Chevrolet Silverado
- Difficulty starting the vehicle
- Inability to shift gears
- Unintended gear shifts while driving
- Engine stalling
- Dashboard warning lights (such as the Check Engine Light) illuminated
How to Fix P0852 2015 Chevrolet Silverado
- Begin by conducting a thorough inspection of the PNP switch and its wiring harness to check for any visible damage or corrosion.
- Use a multimeter to test the voltage and continuity of the PNP switch circuit to identify any irregularities.
- Replace the PNP switch if it is found to be faulty, ensuring that the new switch is properly calibrated.
- Repair or replace any damaged wiring or connectors in the PNP switch circuit.
- Clear the DTC from the ECM's memory using a diagnostic scan tool and perform a test drive to confirm that the issue has been resolved.
Cost to Fix P0852 2015 Chevrolet Silverado
The typical repair costs for addressing a P0852 code in a 2015 Chevrolet Silverado can range from $150 to $400, including parts and labor. However, it's essential to note that the specific diagnosis time and labor rates at auto repair shops can vary significantly based on factors such as location, vehicle make and model, and engine type. It's recommended to inquire about local rates for a more accurate estimate.
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