AutoCodes – Generic – C1497

C1497 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: C1497 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 3,889

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 Oct 15, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code C1497 Description

The Drive Train Control Module (DTCM) monitors the Power Transfer Unit (PTU). The DTCM sets the OBDII code when it detects an internal failure in the Power Transfer Unit.

OBDII Code C1497 - Power Transfer Unit - AutoCodes.com — C1497 Code - Power Transfer Unit

What does this mean?

What are the Possible Causes of the DTC C1497?

Faulty Power Transfer Unit (PTU)
Power Transfer Unit (PTU) harness is open or shorted
Power Transfer Unit (PTU) circuit poor electrical connection

How to Fix the DTC C1497?

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 C1497 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 C1497 code?

Need more information on how to fix the C1497 code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the C1497 code diagnosed by a professional: Find a repair shop in your area

Information for Specific Makes

C1497 Chrysler — Power Transfer Unit
C1497 Dodge — Power Transfer Unit
C1497 Jeep — Power Transfer Unit

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 C1497 Code

1. What are the common symptoms of OBDII code C1497 (Power Transfer Unit)?

- Common symptoms include difficulty shifting gears, unusual noises coming from the transmission, and a noticeable decrease in vehicle performance.

2. What are the possible causes of OBDII code C1497?

- The code C1497 is typically triggered by issues with the power transfer unit, such as a malfunctioning transfer case motor or sensor, low fluid levels, or mechanical failures within the unit.

3. How can I diagnose the cause of OBDII code C1497?

- To diagnose the cause of code C1497, a thorough inspection of the power transfer unit, transfer case motor, sensors, and fluid levels is recommended. Additionally, using a diagnostic scanner to read the fault codes and monitor system parameters can help pinpoint the issue.

4. Can I still drive my vehicle with OBDII code C1497 present?

- It is not recommended to drive your vehicle with OBDII code C1497 present, as it can lead to further damage to the power transfer unit and other drivetrain components. It's best to address the issue promptly to avoid more extensive repairs.

5. How can I repair OBDII code C1497?

- Repairing OBDII code C1497 involves addressing the underlying issue with the power transfer unit. This may include replacing a faulty transfer case motor, repairing damaged sensors, topping up fluid levels, or performing necessary repairs to the unit.

6. Will resetting the OBDII code C1497 fix the issue?

- Resetting the OBDII code C1497 may temporarily clear the warning light, but it will not fix the underlying problem with the power transfer unit. It's essential to diagnose and repair the root cause of the code to prevent it from reoccurring.

7. How can I prevent OBDII code C1497 from coming back?

- Regular maintenance of the power transfer unit, including checking fluid levels, inspecting for leaks, and addressing any unusual noises or performance issues promptly, can help prevent OBDII code C1497 from reoccurring.

8. Can a DIY enthusiast repair OBDII code C1497 at home?

- Depending on your skill level and access to tools, some DIY enthusiasts may be able to address simpler issues related to OBDII code C1497, such as topping up fluid levels or replacing sensors. However, more complex repairs may require professional assistance.

9. Is OBDII code C1497 specific to certain vehicle makes and models?

- OBDII code C1497 related to the power transfer unit can be found in various vehicle makes and models that are equipped with an all-wheel-drive or four-wheel-drive system utilizing a transfer case.

10. How much does it typically cost to repair OBDII code C1497?

- The cost of repairing OBDII code C1497 can vary depending on the underlying issue with the power transfer unit and the extent of repairs needed. Costs may range from a few hundred to over a thousand dollars, including parts and labor.