AutoCodes – Generic – P1D8B

P1D8B Code - Park Pawl Solenoid Circuit High

Quick Answer

The Transmission Control Module (TCM) monitors the Park Pawl Solenoid. Common causes include Faulty Park Pawl Solenoid, Park Pawl Solenoid harness is open or shorted, Park Pawl Solenoid 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: P1D8B indicates Park Pawl Solenoid Circuit High.
Common causes: Common causes include Faulty Park Pawl Solenoid, Park Pawl Solenoid harness is open or shorted, Park Pawl Solenoid 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.

Save to My Repairs My Repairs

AI answers can be wrong. Verify repairs with testing. Open full chat

Code Popularity 1,693

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 Apr 18, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
Add Comment

💬 Need more help? Ask Coddy for instant answers — it's free!

Code P1D8B Description

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

OBDII Code P1D8B - Park Pawl Solenoid Circuit High - AutoCodes.com — P1D8B Code - Park Pawl Solenoid Circuit High

What does this mean?

What are the Possible Causes of the DTC P1D8B?

Faulty Park Pawl Solenoid
Park Pawl Solenoid harness is open or shorted
Park Pawl Solenoid circuit poor electrical connection
Faulty Transmission Control Module (TCM)

How to Fix the DTC P1D8B?

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 P1D8B 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 P1D8B code?

Need more information on how to fix the P1D8B code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P1D8B code diagnosed by a professional: Find a repair shop in your area

Information for Specific Makes

P1D8B Chrysler — Park Pawl Solenoid Circuit High
P1D8B Dodge — Park Pawl Solenoid Circuit High
P1D8B Fiat — Park Pawl Solenoid Circuit High
P1D8B Jeep — Park Pawl Solenoid Circuit High

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 P1D8B Code

1. What does the OBDII code P1D8B mean?

P1D8B refers to a "Park Pawl Solenoid Circuit High," indicating an issue with the electrical circuit controlling the park pawl solenoid in the transmission.

2. What are the common symptoms of the P1D8B code?

Symptoms may include the inability to shift the vehicle into or out of park, the transmission stuck in park, or the illumination of the check engine light.

3. What causes the P1D8B code to appear?

Common causes include a faulty park pawl solenoid, damaged wiring or connectors, a short or open circuit, or issues with the transmission control module (TCM).

4. Can I still drive my car with the P1D8B code?

Driving may be possible, but it's not recommended, as the vehicle may become stuck in park or develop further transmission issues if left unresolved.

5. How do I diagnose the P1D8B code?

Diagnosis involves inspecting the park pawl solenoid, checking for damaged or disconnected wiring, and using a multimeter to test circuit continuity and voltage.

6. How can I fix the P1D8B code?

Repairs may include replacing the park pawl solenoid, repairing or replacing damaged wiring or connectors, or reprogramming or replacing the TCM if necessary.

7. Is the P1D8B code specific to any vehicle makes or models?

It is commonly associated with certain Honda and Acura models, but it can occur in other vehicles with electronically controlled transmissions.

8. How much does it cost to repair the P1D8B code?

Repair costs vary depending on the issue, but replacing the park pawl solenoid typically costs between $200 and $500, including labor.

9. Can a low battery cause the P1D8B code?

While unlikely, low battery voltage can sometimes cause electrical issues or false codes. Ensure the battery and charging system are functioning properly.

10. Will clearing the P1D8B code fix the problem?

Clearing the code without addressing the underlying issue will not fix the problem, and the code is likely to reappear. Proper diagnosis and repair are required.