AutoCodes – Generic – P1D30

P1D30 Code - Oil Viscosity Too Low

Quick Answer

With the engine running, the Diagnostic Trouble Code (DTC) will set when the Powertrain Control Module (PCM) has detected that the engine oil viscosity is too low. Common causes include Engine Oil Change Counter Level Too Low, Change engine oil and filter. 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: P1D30 indicates Oil Viscosity Too Low.
Common causes: Common causes include Engine Oil Change Counter Level Too Low, Change engine oil and filter.
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 17,482

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 Sep 30, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P1D30 Description

With the engine running, the Diagnostic Trouble Code (DTC) will set when the Powertrain Control Module (PCM) has detected that the engine oil viscosity is too low. Change engine oil and filter and reset the engine oil indicator.

OBDII Code P1D30 - Oil Viscosity Too Low - AutoCodes.com — P1D30 Code - Oil Viscosity Too Low

What does this mean?

What are the Possible Causes of the DTC P1D30?

Engine Oil Change Counter Level Too Low
Change engine oil and filter

How to Fix the DTC P1D30?

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 P1D30 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 P1D30 code?

Need more information on how to fix the P1D30 code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P1D30 code diagnosed by a professional: Find a repair shop in your area

Information for Specific Makes

P1D30 Chrysler — Oil Viscosity Too Low
P1D30 Dodge — Oil Viscosity Too Low
P1D30 Jeep — Oil Viscosity Too Low
P1D30 RAM — Oil Viscosity Too 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 P1D30 Code

1. What are the common symptoms of OBDII code P1D30 (Oil Viscosity Too Low)?

- Common symptoms may include engine knocking or ticking noises, decreased engine performance, and potential oil pressure warning lights.

2. What are the possible causes of OBDII code P1D30?

- Causes may include using the incorrect or low-quality oil, oil contamination, oil degradation, or a faulty oil pressure sensor.

3. How can I diagnose OBDII code P1D30?

- Diagnosis typically involves checking the oil level and quality, inspecting for any oil leaks, and testing the oil pressure using a gauge.

4. How can I repair OBDII code P1D30?

- Repair steps may include draining the old oil and replacing it with the manufacturer-recommended viscosity oil, replacing the oil filter, and resetting the OBDII code.

5. Can driving with OBDII code P1D30 cause further damage to the engine?

- Continuing to drive with low oil viscosity can lead to increased engine wear, reduced engine efficiency, and potential engine damage over time.

6. How often should I check my oil viscosity to prevent OBDII code P1D30?

- It is recommended to check your oil viscosity whenever you change your oil or perform routine maintenance on your vehicle.

7. What type of oil should I use to avoid triggering OBDII code P1D30?

- Refer to your vehicle's owner's manual for the manufacturer-recommended oil viscosity and type to ensure proper engine lubrication and performance.

8. Can a clogged oil filter trigger OBDII code P1D30?

- Yes, a clogged oil filter can restrict oil flow and lead to decreased oil viscosity, potentially triggering the OBDII code P1D30.

9. Is it safe to drive with OBDII code P1D30 temporarily?

- It is not recommended to drive with OBDII code P1D30, as it can result in engine damage and should be addressed promptly.

10. How can I prevent OBDII code P1D30 from occurring in the future?

- To prevent OBDII code P1D30, ensure you use the correct oil viscosity, maintain regular oil changes, monitor oil quality, and address any oil-related issues promptly.