OBD Guide
ENFRDEESPT

B1C30

Parking Aid Disable Switch

B1C30 is an OBD-II diagnostic trouble code meaning: Parking Aid Disable Switch. Common causes: faulty system shutdown switch, open or short circuit in wiring harness. Estimated repair cost: $11–56.

Severity
✅ Low
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$11–56 (est.)

Symptoms

  • Parking assistance system does not turn off
  • Parking assistance system does not turn on
  • False alarms of the system
  • Malfunction indicator on the instrument panel

Causes

  • Faulty system shutdown switch
  • Open or short circuit in wiring harness
  • Poor contact in the switch connector
  • Control unit software error

How to Fix

  1. Check the functionality of the switch with a multimeter
  2. Inspect connectors and wiring harness for damage
  3. Clean the contacts of the switch and connectors
  4. If necessary, replace the switch
  5. Reset the error with an OBD-II scanner and check for reappearance

Related codes

B1C31B1C32U0140

FAQ

What does the B1C30 code mean?

B1C30 is an OBD-II diagnostic trouble code that indicates: Parking Aid Disable Switch

What causes a B1C30 error code?

The most common causes of B1C30 include: Faulty system shutdown switch; Open or short circuit in wiring harness; Poor contact in the switch connector; Control unit software error.

How do I fix a B1C30 diagnostic trouble code?

To fix B1C30: Check the functionality of the switch with a multimeter. Inspect connectors and wiring harness for damage. Clean the contacts of the switch and connectors. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B1C30?

Limited driving only, diagnose soon

How much does it cost to fix B1C30?

The estimated repair cost for B1C30 is $11–56. Actual cost depends on your vehicle, location, and labor rates.

FRDEESPT

See also: Russian version · NationStat