AutoCodes – Generic – C1495

C1495 Code - Power Transfer Unit

Quick Answer

The Drive Train Control Module (DTCM) monitors the Power Transfer Unit (PTU). Common causes include Faulty Power Transfer Unit (PTU), Power Transfer Unit (PTU) harness is open or shorted, Power Transfer Unit (PTU) 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
C1495 indicates Power Transfer Unit.
Common causes
Common causes include Faulty Power Transfer Unit (PTU), Power Transfer Unit (PTU) harness is open or shorted, Power Transfer Unit (PTU) 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 5,071
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Oct 15, 2020
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Code C1495 Description

The Drive Train Control Module (DTCM) monitors the Power Transfer Unit (PTU). The DTCM sets the OBDII code when it detects that the Power Transfer Unit (PTU) system voltage is below or above normal voltage, or an overheat condition due to excessive usage of components from hard driving conditions (Mud, Sand, Snow, 2WD Chassis dynamometer etc.) or ambient temperatures.
OBDII Code C1495 - Power Transfer Unit - AutoCodes.com
C1495 Code - Power Transfer Unit

What are the Possible Causes of the DTC C1495?

  • Faulty Power Transfer Unit (PTU)
  • Power Transfer Unit (PTU) harness is open or shorted
  • Power Transfer Unit (PTU) circuit poor electrical connection
  • Faulty Drive Train Control Module (DTCM)

How to Fix the DTC C1495?

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.

Code Tech Notes

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the C1495 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 C1495 code?

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Need Help with the Code?

Get the C1495 code diagnosed by a professional: Find a repair shop in your area

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 C1495 Code

1. What are the common symptoms of OBDII code C1495 related to the Power Transfer Unit?

- Common symptoms include an illuminated Check Engine Light, difficulty shifting gears, unusual noises from the transfer unit, or issues with the vehicle's all-wheel-drive system.

2. What are some potential causes of OBDII code C1495 related to the Power Transfer Unit?

- Possible causes include a malfunctioning power transfer unit control module, damaged wiring or connectors, low or contaminated transfer unit fluid, or mechanical issues within the transfer unit itself.

3. How can I diagnose the OBDII code C1495 related to the Power Transfer Unit?

- Diagnosing this code typically involves using a diagnostic scanner to retrieve the specific fault code, inspecting the transfer unit components for any visible damage, checking the fluid level and condition, and conducting electrical tests on the control module and related wiring.

4. What are the recommended repair options for OBDII code C1495 related to the Power Transfer Unit?

- Repair options may include replacing the power transfer unit control module, repairing or replacing damaged wiring or connectors, flushing and refilling the transfer unit fluid, or repairing any mechanical issues within the transfer unit.

5. Can I drive my vehicle with OBDII code C1495 related to the Power Transfer Unit?

- It is not recommended to drive the vehicle with this code present, as it can lead to further damage to the power transfer unit and potentially affect the vehicle's drivability and safety.

6. How much does it typically cost to repair OBDII code C1495 related to the Power Transfer Unit?

- Repair costs can vary depending on the specific cause of the code and the extent of the repairs needed. It is advisable to consult with a qualified mechanic or dealership for an accurate estimate.

7. Are there any preventive maintenance tips to avoid OBDII code C1495 related to the Power Transfer Unit?

- Regularly inspecting the transfer unit components, maintaining proper fluid levels and quality, and addressing any unusual noises or symptoms promptly can help prevent issues leading to this OBDII code.

8. Can a DIY enthusiast repair OBDII code C1495 related to the Power Transfer Unit?

- While some basic troubleshooting and inspections can be done by experienced DIY enthusiasts, diagnosing and repairing this code often requires specialized tools and expertise, so it is recommended to seek professional help.

9. Is it safe to clear the OBDII code C1495 related to the Power Transfer Unit without fixing the underlying issue?

- Clearing the code without addressing the root cause can temporarily turn off the Check Engine Light, but the issue will likely resurface, potentially causing more severe problems and affecting the vehicle's performance.

10. How long does it typically take to repair OBDII code C1495 related to the Power Transfer Unit?

- The repair time can vary based on the specific cause of the code, availability of parts, and the mechanic's workload. It is advisable to inquire with the repair shop for an estimated repair timeline.

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