OBD Guide
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B1B53

Front Sounder-Park Aid Circuit Short

B1B53 is an OBD-II diagnostic trouble code meaning: Front Sounder-Park Aid Circuit Short. Common causes: wiring harness damage, parking sensor malfunction. Estimated repair cost: $56–167.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$56–167 (est.)

Symptoms

  • Incorrect operation of the front parking sensors
  • Parking assistance system does not work
  • False sensor alarms

Causes

  • Wiring harness damage
  • Parking sensor malfunction
  • Short circuit in the connector
  • Problems with the parking sensor control unit

How to Fix

  1. Check the wiring harness for damage
  2. Inspect the connectors of the sensor and control unit
  3. Check sensor resistance
  4. If necessary, replace the sensor or wiring harness

Related codes

B1B54B1B55U0121

FAQ

What does the B1B53 code mean?

B1B53 is an OBD-II diagnostic trouble code that indicates: Front Sounder-Park Aid Circuit Short

What causes a B1B53 error code?

The most common causes of B1B53 include: Wiring harness damage; Parking sensor malfunction; Short circuit in the connector; Problems with the parking sensor control unit.

How do I fix a B1B53 diagnostic trouble code?

To fix B1B53: Check the wiring harness for damage. Inspect the connectors of the sensor and control unit. Check sensor resistance. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B1B53?

Limited driving only, diagnose soon

How much does it cost to fix B1B53?

The estimated repair cost for B1B53 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat