C1247 Brake Fluid Level Switch Grounded

OBD2 Code: C1247

Description: Brake fluid level switch grounded.

Definition: This code indicates that there is a problem with the brake fluid level sensor circuit, specifically that the switch is detecting a ground condition. This could be due to low brake fluid levels or an electrical issue in the sensor circuit.

C1247 – Brake Fluid Level Switch Grounded

Severity: Moderate

Common Causes

C1247 – Brake Fluid Level Switch Grounded

Common Causes:

• Faulty brake fluid level switch
• Short circuit in the wiring of the brake fluid level switch
• Corrosion or poor connection at the brake fluid level switch connector
• Low brake fluid level triggering the switch

 

Common Misdiagnosis

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OBD2 Code: C1247

Description: Brake Fluid Level Switch Grounded

Common Misdiagnosis: Replacing the brake fluid level sensor without checking for wiring issues or a faulty connection.

 

Common Diagnostic Steps

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OBD2 Code: C1247

Description: Brake Fluid Level Switch Grounded

Common Diagnostic Steps:

• Check the brake fluid level in the reservoir and ensure it is at the correct level.
• Inspect the brake fluid level sensor for any signs of damage or corrosion.
• Examine the wiring and connectors associated with the brake fluid level switch for any loose connections, fraying, or breaks.
• Test the continuity of the brake fluid level switch circuit to ensure there are no shorts to ground.
• If necessary, replace a faulty brake fluid level sensor or repair damaged wiring/connectors.
• Clear the code and test drive to see if it returns after repairs are made.