AutoCodes – Generic – C1823

C1823 Code - Electronic Parking Brake Sensor Signal Failure

Quick Answer

The Parking Brake Module monitors the Electronic Parking Brake Sensor. Common causes include Faulty Electronic Parking Brake Sensor, Electronic Parking Brake Sensor harness is open or shorted, Electronic Parking Brake Sensor 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: C1823 indicates Electronic Parking Brake Sensor Signal Failure.
Common causes: Common causes include Faulty Electronic Parking Brake Sensor, Electronic Parking Brake Sensor harness is open or shorted, Electronic Parking Brake Sensor 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 1,764

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 Nov 30, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
Comments
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Code C1823 Description

The Parking Brake Module monitors the Electronic Parking Brake Sensor. The Parking Brake Module sets the OBDII code when the Electronic Parking Brake Sensor is not to factory specifications.

OBDII Code C1823 - Electronic Parking Brake Sensor Signal Failure - AutoCodes.com — C1823 Code - Electronic Parking Brake Sensor Signal Failure

What does this mean?

What are the Possible Causes of the DTC C1823?

Faulty Electronic Parking Brake Sensor
Electronic Parking Brake Sensor harness is open or shorted
Electronic Parking Brake Sensor circuit poor electrical connection
Faulty Parking Brake Module

How to Fix the DTC C1823?

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 C1823 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 C1823 code?

Need more information on how to fix the C1823 code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the C1823 code diagnosed by a professional: Find a repair shop in your area

Information for Specific Makes

C1823 Ford — Electronic Parking Brake Sensor Signal Failure
C1823 Lincoln — Electronic Parking Brake Sensor Signal Failure
C1823 Mercury — Electronic Parking Brake Sensor Signal Failure

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.