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P1C86 Fiat Code - PRNDL Display Circuit Current Out Of Range

Quick Answer

The P1C86 diagnostic trouble code for Fiat vehicles indicates that the PRNDL (Park/Reverse/Neutral/Drive/Low) display circuit current is out of range. Common causes include Faulty PRNDL display unit, Defective wiring or connectors in the circuit, Sensor malfunction. 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
P1C86 Fiat indicates PRNDL Display Circuit Current Out Of Range.
Common causes
Common causes include Faulty PRNDL display unit, Defective wiring or connectors in the circuit, Sensor malfunction.
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.
What is this?
Table of contents Created and updated by William Orellana on Sep 11, 2024
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Code P1C86 Fiat Description

The P1C86 diagnostic trouble code for Fiat vehicles indicates that the PRNDL (Park/Reverse/Neutral/Drive/Low) display circuit current is out of range. This means that there is an issue with the circuit responsible for displaying the gear position on the dashboard or center console. The PRNDL display is essential for the driver to know which gear the vehicle is currently in, and if this circuit is malfunctioning, it can lead to confusion and potential safety hazards.

OBDII Code P1C86 Fiat - PRNDL Display Circuit Current Out Of Range
P1C86 Fiat Code - PRNDL Display Circuit Current Out Of Range

Common Causes of P1C86 Fiat

  1. Faulty PRNDL display unit.
  2. Defective wiring or connectors in the circuit.
  3. Sensor malfunction.
  4. Corrosion in the circuit components.
  5. Electronic control module (ECM) issues.

Symptoms of P1C86 Fiat

  1. Incorrect gear indication on the display.
  2. Difficulty shifting gears.
  3. Vehicle stalling or jerking while driving.
  4. Check engine light illuminated on the dashboard.

How to Fix P1C86 Fiat

  1. Begin by conducting a visual inspection of the PRNDL display circuit components, checking for any visible damage or corrosion.
  2. Test the sensors and wiring using a multimeter to determine if they are functioning correctly.
  3. Replace any faulty sensors, wiring, or connectors that are causing the issue.
  4. Reset the ECM and clear the diagnostic trouble code from the vehicle's system.
  5. Test drive the vehicle to ensure that the PRNDL display circuit is now operating within the correct range.

Cost to Fix P1C86 Fiat

The typical repair costs for addressing a P1C86 diagnostic trouble code can range from $200 to $500, including parts and labor. However, the specific diagnosis time and labor rates at auto repair shops can vary based on factors such as location, vehicle make and model, and engine type. It is advisable to check local rates for a more precise estimate. Keep in mind that rates in metropolitan areas or at dealerships may be higher, while independent shops often charge less.

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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 P1C86 Fiat Code

1. What are the common symptoms of OBDII code P1C86 in a Fiat related to the PRNDL display circuit?

- The common symptoms include inaccurate gear indicator display on the PRNDL (Park, Reverse, Neutral, Drive, Low) display, flickering or dim illumination, or a complete loss of the gear indicators.

2. What can cause the OBDII code P1C86 in a Fiat to trigger?

- The code P1C86 is triggered when the powertrain control module (PCM) detects that the current in the PRNDL display circuit is out of the specified range, indicating a potential issue with the circuit.

3. How serious is the OBDII code P1C86 related to the PRNDL display circuit in a Fiat?

- While the code itself may not affect the drivability of the vehicle, it can cause inconvenience and confusion for the driver due to inaccurate gear indicator display.

4. What are some DIY repair tips for addressing OBDII code P1C86 in a Fiat?

- DIY repair tips may include checking and cleaning the electrical connections related to the PRNDL display circuit, inspecting for any visible wiring damage, or replacing the PRNDL display unit if necessary.

5. Can driving with the OBDII code P1C86 in a Fiat cause further damage to the vehicle?

- Driving with the P1C86 code may not cause immediate damage to the vehicle, but it is recommended to address the issue promptly to ensure accurate gear indication and to prevent any potential future electrical problems.

6. Is it safe to continue driving a Fiat with the PRNDL display affected by the OBDII code P1C86?

- While it may be safe to drive the vehicle with the code present, it is advisable to address the PRNDL display circuit issue to avoid any confusion or inconvenience while shifting gears.

7. How can a mechanic diagnose the OBDII code P1C86 in a Fiat related to the PRNDL display circuit?

- A mechanic may use a scan tool to retrieve the code, perform a visual inspection of the PRNDL display circuit components, test the circuit for continuity, and check for any related electrical faults.

8. Are there any common reasons why the PRNDL display circuit in a Fiat triggers the OBDII code P1C86?

- Common reasons may include loose or corroded electrical connections, damaged wiring, a faulty PRNDL display unit, or issues with the powertrain control module (PCM).

9. How much does it typically cost to repair the OBDII code P1C86 in a Fiat related to the PRNDL display circuit?

- The cost of repair can vary depending on the exact cause of the issue, but it may involve expenses for parts replacement, labor costs, and diagnostic fees, which can range from moderate to higher costs.

10. Can resetting the OBDII system clear the P1C86 code in a Fiat, or is a repair necessary?

- While resetting the OBDII system may temporarily clear the code, it is recommended to diagnose and address the underlying issue causing the P1C86 code to prevent it from reoccurring and ensure proper functioning of the PRNDL display circuit.

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