AutoCodes – Generic – P081C

P081C Code - Park Input Circuit

Quick Answer

The Transmission Control Module (TCM) monitors the Park Input Circuit signal. Common causes include Faulty Park Switch, Park Switch harness is open or shorted, Park Switch circuit poor electrical connection. 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: P081C indicates Park Input Circuit.
Common causes: Common causes include Faulty Park Switch, Park Switch harness is open or shorted, Park Switch circuit poor electrical connection.
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 Popularity 20,301

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

Table of contents Created and updated by William Orellana on May 09, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P081C Description

The Transmission Control Module (TCM) monitors the Park Input Circuit signal. The TCM sets the OBDII code when the Park Input Circuit signal is not to factory specifications.

OBDII Code P081C - Park Input Circuit - AutoCodes.com — P081C Code - Park Input Circuit

What does this mean?

What are the Possible Causes of the DTC P081C?

Faulty Park Switch
Park Switch harness is open or shorted
Park Switch circuit poor electrical connection

How to Fix the DTC P081C?

Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P081C code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.

Need more information about the P081C code?

Need more information on how to fix the P081C code? Get Access to Factory Service Manuals

Need Help with the Code?

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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 P081C Code

1. What are the common symptoms of OBDII code P081C (Park Input Circuit)?

Symptoms may include difficulty shifting gears, failure to start, or the vehicle not recognizing when it is in the park position.

2. What are the possible causes of OBDII code P081C?

Potential causes include a faulty park/neutral position switch, damaged wiring or connectors in the park input circuit, or a malfunctioning transmission control module.

3. How do I diagnose OBDII code P081C?

Diagnosis typically involves using a scan tool to retrieve the code, checking the park/neutral position switch for proper operation, inspecting the wiring and connectors for damage, and testing the transmission control module.

4. Can I still drive my vehicle with OBDII code P081C present?

It is not recommended to drive the vehicle with this code active, as it may lead to further transmission issues or safety concerns.

5. How can I repair OBDII code P081C?

Repair options may include replacing the park/neutral position switch, repairing or replacing damaged wiring or connectors, or reprogramming the transmission control module.

6. Are there any DIY tips for fixing OBDII code P081C?

While some basic troubleshooting steps can be taken, it is recommended to consult a professional mechanic for an accurate diagnosis and repair.

7. Is OBDII code P081C a serious issue?

Yes, this code should be addressed promptly to prevent potential transmission problems and ensure the safe operation of the vehicle.

8. Can resetting the OBDII system clear code P081C?

Resetting the system may temporarily clear the code, but if the underlying issue is not addressed, the code is likely to reappear.

9. How much does it typically cost to repair OBDII code P081C?

The cost of repair can vary depending on the specific cause of the code, but it may range from a few hundred to a few thousand dollars, including parts and labor.

10. Will OBDII code P081C cause my vehicle to fail an emissions test?

If the code is present during an emissions test, it may cause the vehicle to fail due to potential transmission-related issues.