Engine-CodesGeneric – P1C86

P1C86 Code - PRNDL Display Circuit Current Out Of Range

Quick Answer

The P1C86 diagnostic trouble code (DTC) indicates that the Powertrain Control Module (PCM) has detected that the circuit responsible for the PRNDL (Park, Reverse, Neutral, Drive, Low) display on the instrument panel is experiencing a current that is out of the expected range. Common causes include Loose or corroded wiring connections, Faulty PRNDL display unit, Damaged circuit board. 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 indicates PRNDL Display Circuit Current Out Of Range.
Common causes
Common causes include Loose or corroded wiring connections, Faulty PRNDL display unit, Damaged circuit board.
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 Sep 07, 2024
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Code P1C86 Description

The P1C86 diagnostic trouble code (DTC) indicates that the Powertrain Control Module (PCM) has detected that the circuit responsible for the PRNDL (Park, Reverse, Neutral, Drive, Low) display on the instrument panel is experiencing a current that is out of the expected range. This could be due to a malfunction in the circuit, wiring, or the PRNDL display itself. The PRNDL display is crucial for the driver to know the gear selection of the vehicle, and any issues with this circuit can lead to confusion and potential safety hazards.

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

Common Causes of P1C86

  1. Loose or corroded wiring connections
  2. Faulty PRNDL display unit
  3. Damaged circuit board
  4. Malfunctioning PCM
  5. Water damage or exposure to moisture in the circuit

Symptoms of P1C86

  1. Inaccurate gear display on the instrument panel
  2. Difficulty starting the vehicle
  3. Problems shifting gears
  4. Warning lights on the dashboard related to transmission or PRNDL display
  5. Intermittent or erratic behavior of the PRNDL display

How to Fix P1C86

  1. Inspect the wiring connections for any loose or corroded wires and repair as necessary.
  2. Test the PRNDL display unit for functionality and replace if faulty.
  3. Check the circuit board for any damage or corrosion and replace if needed.
  4. Scan the PCM for any fault codes and address any underlying issues.
  5. Clear the DTC and reset the PCM to see if the issue is resolved.

Cost to Fix P1C86

The typical repair costs for addressing the P1C86 code can range from $200 to $500, depending on the extent of the issue and the specific components that need to be replaced. This estimate includes parts and labor. However, it's important to note that the actual cost can vary based on factors such as the vehicle make and model, the location of the repair shop, and the expertise of the technician. Diagnostic time and labor rates at auto repair shops can vary, with rates typically ranging between $80 and $150 per hour. It's recommended to get a detailed quote from a trusted mechanic to get a more accurate estimate for the repair.

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Code P1C86 Information for Specific Makes

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 Code

1. What are common symptoms of OBDII code P1C86?

- Common symptoms include an inaccurate gear display on the PRNDL (Park, Reverse, Neutral, Drive, Low) display, and in some cases, the display may not work at all.

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

- The code P1C86 is typically triggered by a malfunction in the PRNDL display circuit, which can be caused by issues such as damaged wiring, faulty connectors, or a malfunctioning display module.

3. How serious is the OBDII code P1C86?

- While the code P1C86 may not affect the drivability of the vehicle, it is important to address this issue promptly as it can lead to confusion regarding the vehicle's gear selection.

4. Can I continue driving with the OBDII code P1C86 present?

- It is generally safe to continue driving with the code P1C86 present, but it is recommended to have the issue diagnosed and repaired as soon as possible to avoid potential safety concerns.

5. How is the OBDII code P1C86 diagnosed?

- Diagnosing the OBDII code P1C86 typically involves using a diagnostic scanner to retrieve the code, followed by inspecting the PRNDL display circuit, wiring, connectors, and display module for any visible damage or faults.

6. What are some repair tips for OBDII code P1C86?

- Repair tips for code P1C86 may include checking and repairing any damaged wiring, ensuring proper connections, and, if necessary, replacing the PRNDL display module.

7. Can a DIY enthusiast fix the OBDII code P1C86 at home?

- Depending on their skill level and access to tools, a DIY enthusiast may be able to address the OBDII code P1C86 by following repair guides or consulting with professionals for assistance.

8. How much does it cost to repair the OBDII code P1C86?

- The cost of repairing the OBDII code P1C86 can vary depending on the underlying issue, the extent of the repair needed, and whether the repair is done at a dealership, independent mechanic, or DIY.

9. Will resetting the OBDII code P1C86 make it go away permanently?

- Resetting the code P1C86 may temporarily clear the warning light, but if the underlying issue is not addressed, the code is likely to reappear once the vehicle is driven again.

10. Is the OBDII code P1C86 specific to certain vehicle makes and models?

- The OBDII code P1C86, related to the PRNDL display circuit, can be found in various vehicle makes and models equipped with OBDII systems, particularly those with digital gear displays.

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