AutoCodesInfiniti – C1137 Infiniti

C1137 Infiniti Code - RAS Control Unit Circuit

Quick Answer

The Anti-Lock Brake System (ABS) Module monitors the Rear Active Steer (RAS) Control Unit. Common causes include Faulty Rear Active Steer (RAS) Control Unit, Rear Active Steer (RAS) Control Unit harness is open or shorted, Rear Active Steer (RAS) Control Unit 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
C1137 Infiniti indicates RAS Control Unit Circuit.
Common causes
Common causes include Faulty Rear Active Steer (RAS) Control Unit, Rear Active Steer (RAS) Control Unit harness is open or shorted, Rear Active Steer (RAS) Control Unit 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 13,116
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Aug 17, 2020
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Code C1137 Infiniti Description

The Anti-Lock Brake System (ABS) Module monitors the Rear Active Steer (RAS) Control Unit. The ABS Module sets the OBDII code when the Rear Active Steer (RAS) Control Unit is not to factory specifications.
OBDII Code C1137 Infiniti - RAS Control Unit Circuit - AutoCodes.com
C1137 Infiniti Code - RAS Control Unit Circuit

What are the Possible Causes of the DTC C1137 Infiniti?

  • Faulty Rear Active Steer (RAS) Control Unit
  • Rear Active Steer (RAS) Control Unit harness is open or shorted
  • Rear Active Steer (RAS) Control Unit circuit poor electrical connection

How to Fix the DTC C1137 Infiniti?

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 C1137 Infiniti 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 C1137 Infiniti code?

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Need Help with the Code?

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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 C1137 Infiniti Code

1. What does the OBDII code C1137 mean on an Infiniti?

The code C1137 indicates a fault in the Rear Active Steering (RAS) Control Unit Circuit, which is responsible for managing the rear-wheel steering system.

2. What are the common symptoms of a C1137 code on an Infiniti?

Symptoms may include the RAS warning light illuminating, reduced or disabled rear steering functionality, and potentially decreased vehicle stability during cornering.

3. What causes the C1137 code to appear on an Infiniti?

Possible causes include a faulty RAS control unit, poor electrical connections, damaged wiring harnesses, or issues with the rear steering actuator.

4. How can I diagnose the C1137 code on my Infiniti?

Start by inspecting the wiring and connectors for damage or corrosion. Then, use an OBDII scanner to confirm the fault and check for related codes that might provide additional context.

5. Is the C1137 code serious, and can I still drive my Infiniti?

While the vehicle can typically still be driven, the rear steering system may not function properly, which can affect handling and safety. It’s best to address the issue promptly.

6. How do you fix the C1137 code on an Infiniti?

Repairs may include replacing the RAS control unit, repairing damaged wiring, cleaning corroded connections, or recalibrating the system using a diagnostic tool.

7. How much does it cost to repair the C1137 code on an Infiniti?

Costs can vary widely depending on the exact cause, but replacing the RAS control unit typically costs between $500 and $1,500, including parts and labor.

8. Can a low battery cause the C1137 code to appear on an Infiniti?

Yes, low battery voltage or a weak alternator can sometimes trigger this code, as the RAS control unit requires stable power to operate correctly.

9. Does the C1137 code require professional repair, or can I fix it myself?

While some issues like checking and repairing wiring can be done by skilled DIYers, diagnosing and replacing the RAS control unit usually requires specialized tools and knowledge.

10. Will clearing the C1137 code with a scanner fix the problem?

Clearing the code may turn off the warning light temporarily, but if the underlying issue isn’t resolved, the code will likely reappear.

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