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AutoCodes - Generic - C1821

C1821 Code - Electronic Parking Brake Motor Failure

- Code Popularity: 2,497 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
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What are the Possible Causes of the DTC C1821?

NOTE: The causes shown may not be a complete list of all potential problems, and it is possible that there may be other causes.
  • Faulty Electronic Parking Brake Motor
  • Electronic Parking Brake Motor harness is open or shorted
  • Electronic Parking Brake Motor circuit poor electrical connection
  • Faulty Parking Brake Module
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How to Fix the DTC C1821?

Review the 'Possible Causes' mentioned above and visually examine the corresponding wiring harness and connectors. Ensure to check for any damaged components and inspect the connector pins for signs of being broken, bent, pushed out, or corroded.

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What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the C1821 code, it typically requires 1.0 hour of labor. The specific diagnosis time and labor rates at auto repair shops can differ based on factors such as the location, make and model of the vehicle, and even the engine type. It is common for most auto repair shops to charge between $75 and $150 per hour.

What are Code Possible Symptoms?

  • Anti-Lock Brake System (ABS) Warning Light ON
  • Engine Light ON (or Service Engine Soon Warning Light)

Code C1821 Description

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

OBDII Code C1821 - Electronic Parking Brake Motor Failure - AutoCodes.com
C1821 Code - Electronic Parking Brake Motor Failure

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Information for Specific Makes

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Code C1821 comments

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