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C0040 Honda Code - Brake Lamp Switch Failure

- Code Popularity: 4,244 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
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What are the Possible Causes of the DTC C0040 Honda?

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 Brake Lamp Switch
  • Brake Lamp Switch harness is open or shorted
  • Brake Lamp Switch circuit poor electrical connection
⚠ Does your Honda have Safety Recalls? → Check here

How to Fix the DTC C0040 Honda?

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 C0040 Honda 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 C0040 Honda Description

The Anti-Lock Brake System (ABS) Module monitors the Brake Lamp Switch. The ABS Module sets the OBDII code when the Brake Lamp Switch is not to factory specifications.

OBDII Code C0040 Honda - Brake Lamp Switch Failure - AutoCodes.com
C0040 Honda Code - Brake Lamp Switch Failure

Need More Information on the Code?

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Code C0040 Honda comments

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