Engine-CodesDodge – P0850 Dodge

P0850 Dodge Code - Park/Neutral Switch Input Circuit

Quick Answer

The P0850 diagnostic trouble code (DTC) for Dodge vehicles refers to a problem with the Park/Neutral Switch Input Circuit. Common causes include Faulty Park/Neutral Switch, Wiring or connector issues in the input circuit, Corrosion or damage to the switch or wiring. 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
P0850 Dodge indicates Park/Neutral Switch Input Circuit.
Common causes
Common causes include Faulty Park/Neutral Switch, Wiring or connector issues in the input circuit, Corrosion or damage to the switch or wiring.
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.
Table of contents Created and updated by William Orellana on Aug 19, 2024
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Code P0850 Dodge Description

The P0850 diagnostic trouble code (DTC) for Dodge vehicles refers to a problem with the Park/Neutral Switch Input Circuit. This switch, also known as the Transmission Range Sensor, is responsible for detecting the position of the gear shift lever (Park or Neutral) and sending this information to the vehicle's Engine Control Module (ECM). When this circuit malfunctions, it can lead to issues with starting the vehicle, shifting gears, and engaging the transmission properly.

OBDII Code P0850 Dodge - Park/Neutral Switch Input Circuit
P0850 Dodge Code - Park/Neutral Switch Input Circuit

Common Causes of P0850 Dodge

  1. Faulty Park/Neutral Switch
  2. Wiring or connector issues in the input circuit
  3. Corrosion or damage to the switch or wiring
  4. ECM communication problems

Symptoms of P0850 Dodge

  1. Difficulty starting the vehicle
  2. Inability to shift out of Park or into Neutral
  3. Unintended shifting between gears
  4. Check Engine light illuminated on the dashboard

How to Fix P0850 Dodge

  1. Begin by diagnosing the issue using a scan tool to read the DTC and verify the problem with the Park/Neutral Switch Input Circuit.
  2. Inspect the wiring and connectors for any damage, corrosion, or loose connections. Repair or replace as necessary.
  3. Test the Park/Neutral Switch for proper functionality and replace if faulty.
  4. Clear the DTC from the ECM memory and reset the system to ensure the issue has been resolved.
  5. Test drive the vehicle to confirm that the repair was successful and that the symptoms have been eliminated.

Cost to Fix P0850 Dodge

The typical repair costs for addressing a P0850 code related to the Park/Neutral Switch Input Circuit can range from $150 to $400, including parts and labor. However, actual costs can vary depending on the specific vehicle make and model, the extent of the issue, and the rates charged by the auto repair shop. It's recommended to obtain quotes from local shops to get a more accurate estimate. Keep in mind that diagnosis time and labor rates can significantly affect the final cost.

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About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about P0850 Dodge Code

1. What are the common symptoms of OBDII code P0850 in a Dodge related to the Park/Neutral Switch Input Circuit?

The common symptoms include difficulty starting the vehicle, the engine not cranking or starting at all, and the inability to shift out of Park.

2. What are the potential causes of OBDII code P0850 in a Dodge?

The code P0850 in a Dodge is typically caused by a faulty park/neutral switch, damaged wiring or connectors in the circuit, or a malfunctioning transmission range sensor.

3. How can I diagnose the OBDII code P0850 in a Dodge related to the Park/Neutral Switch Input Circuit?

Diagnosis involves using a scan tool to read the code, inspecting the park/neutral switch and related wiring for damage, and testing the switch's functionality using a multimeter.

4. Can I still drive my Dodge with the OBDII code P0850 related to the Park/Neutral Switch Input Circuit?

It is not recommended to drive your Dodge with the P0850 code present, as it can lead to starting issues and potential safety hazards. It's best to address the issue promptly.

5. What are the repair options for fixing OBDII code P0850 in a Dodge?

Repair options include replacing the park/neutral switch, repairing damaged wiring or connectors, or replacing the transmission range sensor if necessary.

6. How much does it typically cost to repair OBDII code P0850 in a Dodge?

The cost of repairing the P0850 code can vary depending on the exact cause of the issue, but it may range from $100 to $300 for parts and labor.

7. Can I reset the OBDII code P0850 in a Dodge without fixing the underlying issue?

While you can reset the code using a scan tool, it is not recommended as the issue will likely reoccur if the root cause is not addressed.

8. Is the OBDII code P0850 in a Dodge a serious problem?

The P0850 code is not a critical issue, but it can cause inconvenience and potential starting problems if left unresolved.

9. How long does it take to repair OBDII code P0850 related to the Park/Neutral Switch Input Circuit in a Dodge?

The repair time can vary depending on the exact cause of the issue and the technician's experience, but it typically takes around 1-2 hours to diagnose and fix the problem.

10. Can I prevent OBDII code P0850 from occurring in my Dodge?

Regular maintenance, such as checking the condition of the park/neutral switch and related wiring, can help prevent the occurrence of the P0850 code in your Dodge.

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