AutoCodes – Dodge – C1027 Dodge

C1027 Dodge Code - Left Rear Wheel Speed Sensor Signal Erratic Performance

Quick Answer

The Anti-Lock Brake System (ABS) Module monitors the Left Rear Wheel Speed Sensor. Common causes include Tire air pressure mismatch, Faulty Left Rear Wheel Speed Sensor, Left Rear Wheel Speed Sensor harness is open or shorted. 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: C1027 Dodge indicates Left Rear Wheel Speed Sensor Signal Erratic Performance.
Common causes: Common causes include Tire air pressure mismatch, Faulty Left Rear Wheel Speed Sensor, Left Rear Wheel Speed Sensor harness is open or shorted.
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 7,867

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 04, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code C1027 Dodge Description

The Anti-Lock Brake System (ABS) Module monitors the Left Rear Wheel Speed Sensor. The ABS Module sets the OBDII code when the Left Rear Wheel Speed Sensor (WSS) Signal is intermittently missing while vehicle speed is above 25 mph (40 km/h) or erratic wheel speed signal during acceleration or sensed wheel speed is different from other wheels.

OBDII Code C1027 Dodge - Left Rear Wheel Speed Sensor Signal Erratic Performance - AutoCodes.com — C1027 Dodge Code - Left Rear Wheel Speed Sensor Signal Erratic Performance

What does this mean?

What are the Possible Causes of the DTC C1027 Dodge?

Tire air pressure mismatch
Faulty Left Rear Wheel Speed Sensor
Left Rear Wheel Speed Sensor harness is open or shorted
Left Rear Wheel Speed Sensor circuit poor electrical connection
Faulty Anti-Lock Brake System (ABS) Module

How to Fix the DTC C1027 Dodge?

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 C1027 Dodge 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.

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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 C1027 Dodge Code

1. What are the common symptoms of OBDII code C1027 Dodge (Left Rear Wheel Speed Sensor Signal Erratic Performance)?

- Common symptoms include the ABS warning light illuminating on the dashboard, traction control system malfunction, and potential loss of stability control.

2. What are some possible causes of OBDII code C1027 Dodge?

- Possible causes include a faulty left rear wheel speed sensor, damaged wiring or connectors in the sensor circuit, or issues with the ABS module.

3. How can I diagnose the cause of OBDII code C1027 Dodge?

- To diagnose the issue, you can use a diagnostic scan tool to retrieve the specific fault code, visually inspect the left rear wheel speed sensor and its wiring, and perform electrical tests to check for continuity and signal output.

4. Can I still drive my vehicle with OBDII code C1027 Dodge present?

- It is not recommended to drive your vehicle with this code present, as it can affect the proper functioning of the ABS and stability control systems, potentially compromising safety.

5. How can I repair OBDII code C1027 Dodge?

- Repairing this code typically involves replacing the left rear wheel speed sensor, repairing or replacing damaged wiring or connectors, and clearing the fault code with a diagnostic scan tool.

6. Is it possible for OBDII code C1027 Dodge to trigger other fault codes?

- Yes, a malfunction in the left rear wheel speed sensor can sometimes trigger related fault codes, such as circuit low or circuit high codes for the same sensor.

7. Can a DIY enthusiast fix OBDII code C1027 Dodge at home?

- Depending on your skill level and access to tools, it is possible to replace the left rear wheel speed sensor and perform basic wiring repairs at home. However, diagnosing the issue accurately may require professional equipment.

8. How much does it typically cost to repair OBDII code C1027 Dodge at a repair shop?

- The cost of repairing this code can vary depending on the specific cause, but it may range from $100 to $300 for parts and labor at a repair shop.

9. How soon should I address OBDII code C1027 Dodge once it appears?

- It is recommended to address this code as soon as possible to prevent further damage to the ABS system and ensure the safety features of your vehicle are functioning correctly.

10. Can extreme weather conditions affect the occurrence of OBDII code C1027 Dodge?

- Yes, extreme weather conditions such as heavy rain, snow, or extreme temperatures can sometimes exacerbate issues with wheel speed sensors and trigger erratic performance codes like C1027.