AutoCodes – Generic – P1D8D

P1D8D Code - Park Sense Circuit Low

Quick Answer

The purpose of the diagnostic is to monitor the park sense circuit from the Radio Frequency (RF) Hub. Common causes include Faulty Park Sense, Park Sense harness is open or shorted, Park Sense 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: P1D8D indicates Park Sense Circuit Low.
Common causes: Common causes include Faulty Park Sense, Park Sense harness is open or shorted, Park Sense 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 4,461

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 P1D8D Description

The purpose of the diagnostic is to monitor the park sense circuit from the Radio Frequency (RF) Hub. The RF Hub supplies B (+) on the park circuit to the Transmission Control Module (TCM). When the transmission is in park, the TCM will ground the park circuit indicating to the RF Hub that the transmission is in park. If the TCM detects an open or short to ground on the park circuit, a Diagnostic Trouble Code (DTC) will set.

OBDII Code P1D8D - Park Sense Circuit Low - AutoCodes.com — P1D8D Code - Park Sense Circuit Low

What does this mean?

What are the Possible Causes of the DTC P1D8D?

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

How to Fix the DTC P1D8D?

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 P1D8D 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 P1D8D code?

Need more information on how to fix the P1D8D code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P1D8D code diagnosed by a professional: Find a repair shop in your area

Information for Specific Makes

P1D8D Acura — Generator Motor Inverter Circuit Malfunction
P1D8D Chrysler — Park Sense Circuit Low
P1D8D Dodge — Park Sense Circuit Low
P1D8D Fiat — Park Sense Circuit Low
P1D8D Honda — Generator Motor Inverter Circuit Malfunction
P1D8D Jeep — Park Sense Circuit Low

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 P1D8D Code

1. What are the common symptoms of OBDII code P1D8D (Park Sense Circuit Low)?

- The common symptoms include issues with the parking sensors, such as erratic behavior or complete failure of the park assist system.

2. What are the possible causes of OBDII code P1D8D (Park Sense Circuit Low)?

- The code P1D8D can be triggered by damaged wiring, faulty sensors, corroded connectors, or issues with the control module related to the park assist system.

3. How can I diagnose OBDII code P1D8D (Park Sense Circuit Low)?

- Diagnosis involves inspecting the wiring and connectors for damage, testing the sensors for proper functionality, and using a diagnostic scanner to read the code and pinpoint the issue.

4. Can a DIY enthusiast repair OBDII code P1D8D (Park Sense Circuit Low)?

- Simple repairs like checking and cleaning connectors or replacing faulty sensors can be done by DIY enthusiasts. However, more complex issues may require professional help.

5. Are there any quick fixes for OBDII code P1D8D (Park Sense Circuit Low)?

- Quick fixes may include checking and resetting the system by disconnecting the battery for a few minutes. However, it's important to address the root cause to prevent the code from reoccurring.

6. Is it safe to drive with OBDII code P1D8D (Park Sense Circuit Low) active?

- While it is generally safe to drive with this code active, it's recommended to address the issue promptly to ensure the proper functioning of the park assist system.

7. How much does it typically cost to repair OBDII code P1D8D (Park Sense Circuit Low)?

- The cost of repair can vary depending on the exact cause of the issue. Simple fixes like cleaning connectors may be inexpensive, while replacing sensors or modules can be more costly.

8. Can extreme weather conditions trigger OBDII code P1D8D (Park Sense Circuit Low)?

- Yes, extreme temperatures or moisture can sometimes impact the sensors or wiring, leading to the triggering of this OBDII code.

9. How long does it usually take to repair OBDII code P1D8D (Park Sense Circuit Low)?

- The repair time can vary based on the complexity of the issue. Simple fixes may take less than an hour, while more involved repairs could take a few hours or longer.

10. Can OBDII code P1D8D (Park Sense Circuit Low) cause other vehicle problems if left unresolved?

- Leaving this code unresolved can potentially affect the proper functioning of the park assist system and may lead to issues with parking and maneuvering the vehicle safely.