AutoCodes – Generic – C1137

C1137 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 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 26,180

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 Aug 17, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code C1137 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 - RAS Control Unit Circuit - AutoCodes.com — C1137 Code - RAS Control Unit Circuit

What does this mean?

What are the Possible Causes of the DTC C1137?

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?

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 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 code?

Need more information on how to fix the C1137 code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the C1137 code diagnosed by a professional: Find a repair shop in your area

Information for Specific Makes

C1137 Infiniti — RAS Control Unit Circuit
C1137 Nissan — RAS Control Unit Circuit

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 Code

1. What are the common symptoms of OBDII code C1137 (RAS Control Unit Circuit)?

- Common symptoms include the illumination of the ABS warning light on the dashboard, loss of ABS functionality, and potential issues with the stability control system.

2. What are the possible causes of OBDII code C1137?

- The code C1137 can be triggered by a faulty RAS (Roll Angle Sensor) control unit, damaged wiring or connectors in the circuit, or a malfunctioning sensor.

3. How can I diagnose the cause of OBDII code C1137?

- Diagnosing code C1137 typically involves using a diagnostic scan tool to retrieve the trouble codes, inspecting the wiring and connectors for damage, and testing the RAS control unit and related components for proper functionality.

4. Can I continue driving with OBDII code C1137 present?

- While it may be possible to continue driving with code C1137, it is not recommended as it can affect the proper functioning of the ABS and stability control systems, compromising overall vehicle safety.

5. How can I repair OBDII code C1137?

- Repairing code C1137 may involve replacing the faulty RAS control unit, repairing or replacing damaged wiring or connectors, or addressing any underlying issues with the sensor responsible for the fault.

6. Are there any DIY tips for fixing OBDII code C1137?

- DIY tips for addressing code C1137 include checking and cleaning the connectors, ensuring proper wiring connections, and following manufacturer-specific diagnostic procedures outlined in the service manual.

7. Is it necessary to reset the OBDII system after repairing code C1137?

- Yes, it is recommended to reset the OBDII system after repairing code C1137 to clear the fault code and ensure proper functionality of the ABS and stability control systems.

8. Can extreme weather conditions trigger OBDII code C1137?

- Extreme weather conditions like excessive heat or moisture can potentially cause issues with the RAS control unit circuit, leading to the triggering of code C1137.

9. Will OBDII code C1137 affect the vehicle's drivability?

- While the vehicle may still be operable with code C1137 present, the compromised ABS and stability control systems can impact the overall drivability and safety of the vehicle.

10. How can regular maintenance help prevent OBDII code C1137 from occurring?

- Regular maintenance, including checking and cleaning electrical connections, inspecting wiring for damage, and addressing any warning lights promptly, can help prevent issues like code C1137 from occurring.