AutoCodes – Jeep – C1402 Jeep

C1402 Jeep Code - Transfer Case Range Select Switch Circuit High

Quick Answer

The Final Drive Control Module monitors the Transfer Case Range Select Switch. Common causes include Faulty Transfer Case Range Select Switch, Transfer Case Range Select Switch harness is open or shorted, Transfer Case Range Select Switch 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
C1402 Jeep indicates Transfer Case Range Select Switch Circuit High.
Common causes
Common causes include Faulty Transfer Case Range Select Switch, Transfer Case Range Select Switch harness is open or shorted, Transfer Case Range Select Switch 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 1,697
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Sep 27, 2020
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Code C1402 Jeep Description

The Final Drive Control Module monitors the Transfer Case Range Select Switch. The Final Drive Control Module sets the OBDII code when the Transfer Case Range Select Switch is not to factory specifications.
OBDII Code C1402 Jeep - Transfer Case Range Select Switch Circuit High - AutoCodes.com
C1402 Jeep Code - Transfer Case Range Select Switch Circuit High

What are the Possible Causes of the DTC C1402 Jeep?

  • Faulty Transfer Case Range Select Switch
  • Transfer Case Range Select Switch harness is open or shorted
  • Transfer Case Range Select Switch circuit poor electrical connection
  • Faulty Instrument Cluster
  • Faulty Final Drive Control Module

How to Fix the DTC C1402 Jeep?

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 C1402 Jeep 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 C1402 Jeep code?

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Need Help with the Code?

Get the C1402 Jeep code diagnosed by a professional: Find a repair shop in your area

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 C1402 Jeep Code

1. What are common symptoms of OBDII code C1402 in a Jeep related to the Transfer Case Range Select Switch Circuit High?

The common symptoms include the inability to shift gears in the transfer case, dashboard warning lights related to 4WD system, and potential loss of functionality in the 4WD system.

2. What are possible causes of the OBDII code C1402 in a Jeep indicating Transfer Case Range Select Switch Circuit High?

Possible causes include a faulty transfer case range select switch, damaged wiring or connectors in the circuit, or issues with the transfer case control module.

3. How can I diagnose the OBDII code C1402 in my Jeep for Transfer Case Range Select Switch Circuit High?

Diagnosis involves using a scan tool to read the code, inspecting the transfer case range select switch and its wiring for any visible damage, and testing the switch's functionality.

4. Can I still drive my Jeep with the OBDII code C1402 indicating Transfer Case Range Select Switch Circuit High?

It is not recommended to drive the vehicle with this code active, as it can lead to potential issues with the 4WD system and affect the vehicle's drivability.

5. How can I repair OBDII code C1402 in a Jeep related to Transfer Case Range Select Switch Circuit High?

Repair options include replacing the faulty transfer case range select switch, repairing or replacing damaged wiring or connectors, and resetting the transfer case control module.

6. Are there any DIY tips for fixing the OBDII code C1402 in a Jeep for Transfer Case Range Select Switch Circuit High?

While it's possible to replace the transfer case range select switch yourself, it's recommended to have a professional diagnose and repair this issue due to its complexity.

7. How much does it typically cost to repair OBDII code C1402 in a Jeep indicating Transfer Case Range Select Switch Circuit High?

The cost of repair can vary depending on the specific cause of the issue, but it may range from $200 to $500, including parts and labor.

8. Can a faulty transfer case range select switch cause other issues in my Jeep besides triggering the OBDII code C1402?

Yes, a faulty transfer case range select switch can potentially cause issues with shifting gears in the transfer case, affect the 4WD system's performance, and trigger warning lights on the dashboard.

9. Is it safe to continue driving my Jeep if the OBDII code C1402 for Transfer Case Range Select Switch Circuit High has been cleared?

If the issue has been resolved and the code has been cleared, it should be safe to drive the vehicle. However, if the code reappears, further diagnosis and repair are recommended.

10. How important is it to address the OBDII code C1402 in a Jeep related to Transfer Case Range Select Switch Circuit High promptly?

It is important to address this issue promptly to avoid potential damage to the transfer case system, ensure the proper functioning of the 4WD system, and maintain overall vehicle safety and performance.

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