AutoCodes – Generic – C1499

C1499 Code - Rear Driveline Module Motor Position Performance Or Incorrect Operation

Quick Answer

The Drive Train Control Module (DTCM) monitors the Rear Driveline Module (RDM). Common causes include Faulty Rear Driveline Module (RDM), Rear Driveline Module (RDM) harness is open or shorted, Rear Driveline Module (RDM) 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: C1499 indicates Rear Driveline Module Motor Position Performance Or Incorrect Operation.
Common causes: Common causes include Faulty Rear Driveline Module (RDM), Rear Driveline Module (RDM) harness is open or shorted, Rear Driveline Module (RDM) 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 4,109

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 C1499 Description

The Drive Train Control Module (DTCM) monitors the Rear Driveline Module (RDM). The DTCM sets the OBDII code when it detects an internal or mechanical failure in the Rear Driveline Module.

OBDII Code C1499 - Rear Driveline Module Motor Position Performance Or Incorrect Operation - AutoCodes.com — C1499 Code - Rear Driveline Module Motor Position Performance Or Incorrect Operation

What does this mean?

What are the Possible Causes of the DTC C1499?

Faulty Rear Driveline Module (RDM)
Rear Driveline Module (RDM) harness is open or shorted
Rear Driveline Module (RDM) circuit poor electrical connection
Faulty Drive Train Control Module (DTCM)

How to Fix the DTC C1499?

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 C1499 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 C1499 code?

Need more information on how to fix the C1499 code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the C1499 code diagnosed by a professional: Find a repair shop in your area

Information for Specific Makes

C1499 Chrysler — Rear Driveline Module Motor Position Performance Or Incorrect Operation
C1499 Dodge — Rear Driveline Module Motor Position Performance Or Incorrect Operation
C1499 Jeep — Rear Driveline Module Motor Position Performance Or Incorrect Operation

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 C1499 Code

1. What does OBDII code C1499 mean?

Code C1499 indicates a performance issue or incorrect operation in the rear driveline module motor position, which is part of the vehicle's all-wheel-drive system.

2. What are common symptoms of code C1499?

Symptoms can include the AWD system being disabled, warning lights on the dashboard (such as the AWD or check engine light), and reduced traction or drivetrain performance.

3. What causes the C1499 code to trigger?

Common causes include a faulty rear driveline motor, damaged wiring or connectors, a malfunctioning control module, or a mechanical issue in the driveline system.

4. Can I drive my car with the C1499 code active?

While the vehicle may still be drivable, the AWD system may not function properly, reducing traction and stability, especially in adverse road conditions.

5. How do I diagnose the C1499 code?

A diagnostic scan tool should be used to confirm the code, followed by inspecting the rear driveline motor, wiring, and connectors for damage, as well as checking for mechanical binding.

6. What repairs can fix code C1499?

Repairs may involve replacing the rear driveline module motor, repairing or replacing damaged wiring or connectors, or reprogramming the control module if necessary.

7. How much does it cost to repair the C1499 code?

Costs vary depending on the specific issue, but replacing the rear driveline motor can range from $300 to $1,000, excluding labor. Diagnosis fees may also apply.

8. Can a software update fix the C1499 code?

In some cases, reprogramming or updating the AWD control module software can resolve the issue, but mechanical or electrical problems must first be ruled out.

9. What tools are needed to troubleshoot the C1499 code?

A professional-grade OBDII scanner, a multimeter for testing electrical connections, and access to the vehicle's service manual are essential for diagnosis.

10. How can I prevent the C1499 code from recurring?

Regular maintenance of the AWD system, inspecting wiring for damage, and addressing drivetrain issues promptly can help prevent this code from returning.