Engine-CodesGeneric – C0297:02

C0297:02 Code - Brake Applied Output Circuit Short to Ground

Quick Answer

The C0297:02 code indicates that there is a short to ground in the brake applied output circuit. Common causes include Damaged wiring or connectors in the brake applied output circuit, Corrosion or moisture intrusion in the circuit, Faulty brake pedal position sensor. 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
C0297:02 indicates Brake Applied Output Circuit Short to Ground.
Common causes
Common causes include Damaged wiring or connectors in the brake applied output circuit, Corrosion or moisture intrusion in the circuit, Faulty brake pedal position sensor.
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.
Table of contents Created and updated by William Orellana on Aug 25, 2024
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Code C0297:02 Description

The C0297:02 code indicates that there is a short to ground in the brake applied output circuit. This circuit is responsible for communicating the brake pedal status to the vehicle's control module. A short to ground means that there is an unintended connection between the circuit and the vehicle's chassis, causing a disruption in the signal flow. This can lead to incorrect brake pedal status readings, affecting the vehicle's braking system and potentially compromising safety.

OBDII Code C0297:02 - Brake Applied Output Circuit Short to Ground
C0297:02 Code - Brake Applied Output Circuit Short to Ground

Common Causes of C0297:02

  1. Damaged wiring or connectors in the brake applied output circuit.
  2. Corrosion or moisture intrusion in the circuit.
  3. Faulty brake pedal position sensor.
  4. Short circuit in the brake light switch.
  5. Issues with the vehicle's control module.

Symptoms of C0297:02

  1. Illumination of the brake warning light on the dashboard.
  2. Inaccurate or erratic readings on the brake pedal position sensor.
  3. ABS system malfunction or unexpected activation.
  4. Loss of power to the brake lights.
  5. Difficulty shifting out of park due to the brake interlock system being affected.

How to Fix C0297:02

  1. Begin by inspecting the brake applied output circuit for any visible damage, corrosion, or loose connections.
  2. Test the brake pedal position sensor and brake light switch to determine if they are functioning correctly.
  3. Use a multimeter to diagnose the specific location of the short to ground.
  4. Repair or replace any damaged wiring, connectors, sensors, or switches as needed.
  5. Clear the diagnostic trouble codes and test drive the vehicle to ensure the issue has been resolved.

Cost to Fix C0297:02

The cost of repairing a brake applied output circuit short to ground can vary depending on the extent of the damage and the specific components that need to be replaced. On average, this repair can cost anywhere from $100 to $300 for parts and labor. However, it's important to note that labor rates and part prices can fluctuate based on location and the type of vehicle being serviced. It's recommended to get a personalized quote from a trusted auto repair shop for a more accurate estimate.

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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.

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