OBD Guide

C058C

Brake Booster Motor B Position Sensor Circuit Low

C058C is an OBD-II diagnostic trouble code meaning: Brake Booster Motor B Position Sensor Circuit Low. Common causes: open or short circuit in the sensor circuit, brake booster motor position sensor malfunction. Estimated repair cost: $56โ€“167.

Severity
๐Ÿ”ด High
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$56โ€“167 (est.)

Symptoms

  • Increased brake pedal force
  • Reduced braking performance
  • The brake system fault indicator is on
  • Unusual noises when operating the brake booster

Causes

  • Open or short circuit in the sensor circuit
  • Brake booster motor position sensor malfunction
  • Wiring harness damage
  • Connector problems or contact corrosion
  • Malfunction of the brake control unit (ECU)

How to Fix

  1. Check the continuity of the brake booster motor position sensor circuit
  2. Inspect connectors and contacts for damage or corrosion
  3. Check the resistance and signal of the position sensor
  4. Replace the position sensor if it is faulty
  5. Check and replace wiring harness if necessary
  6. Test the brake control unit (ECU)

Related codes

Error C058C by Vehicle Brand

FAQ

What does the C058C code mean?

C058C is an OBD-II diagnostic trouble code that indicates: Brake Booster Motor B Position Sensor Circuit Low

What causes a C058C error code?

The most common causes of C058C include: Open or short circuit in the sensor circuit; Brake booster motor position sensor malfunction; Wiring harness damage; Connector problems or contact corrosion.

How do I fix a C058C diagnostic trouble code?

To fix C058C: Check the continuity of the brake booster motor position sensor circuit. Inspect connectors and contacts for damage or corrosion. Check the resistance and signal of the position sensor. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with C058C?

Limited driving only, diagnose soon

How much does it cost to fix C058C?

The estimated repair cost for C058C is $56โ€“167. Actual cost depends on your vehicle, location, and labor rates.

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