OBD Guide

C058D

Brake Booster Motor B Position Sensor Circuit High

C058D is an OBD-II diagnostic trouble code meaning: Brake Booster Motor B Position Sensor Circuit High. Common causes: short circuit to power in position sensor wiring, motor position sensor malfunction. Estimated repair cost: $44โ€“389.

Severity
๐Ÿ”ด High
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$44โ€“389 (est.)

Symptoms

  • Stiff or too light brake pedal
  • The brake warning light is on
  • Incorrect operation of the brake booster
  • Brake Assist error message appears on the display
  • Possible jerking when braking

Causes

  • Short circuit to power in position sensor wiring
  • Motor position sensor malfunction
  • Damage to the brake booster wiring harness
  • Oxidation or deformation of connector contacts
  • Malfunction of the brake booster control unit

How to Fix

  1. Read error codes and check position sensor data with a scanner
  2. Measure the voltage at the sensor output - compare with the norm for this model
  3. Check wiring for short to power (+12V)
  4. Inspect the sensor connector for damage and oxidation.
  5. Replace the faulty sensor or repair the wiring
  6. After repair, calibrate the brake booster

Related codes

Error C058D by Vehicle Brand

FAQ

What does the C058D code mean?

C058D is an OBD-II diagnostic trouble code that indicates: Brake Booster Motor B Position Sensor Circuit High

What causes a C058D error code?

The most common causes of C058D include: Short circuit to power in position sensor wiring; Motor position sensor malfunction; Damage to the brake booster wiring harness; Oxidation or deformation of connector contacts.

How do I fix a C058D diagnostic trouble code?

To fix C058D: Read error codes and check position sensor data with a scanner. Measure the voltage at the sensor output - compare with the norm for this model. Check wiring for short to power (+12V). For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with C058D?

Limited driving only, diagnose soon

How much does it cost to fix C058D?

The estimated repair cost for C058D is $44โ€“389. Actual cost depends on your vehicle, location, and labor rates.

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