OBD Guide

P18CB

Parking Assist System Performance

P18CB is an OBD-II diagnostic trouble code meaning: Parking Assist System Performance. Common causes: malfunction of one or more parking sensors, damage to the wiring to the parking sensors. Estimated repair cost: $17–89.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$17–89 (est.)

Symptoms

  • Parking assistance system does not work
  • False alarms of parking sensors
  • Constant sound signal from the parking system
  • Error message on the dashboard
  • Lack of response to obstacles

Causes

  • Malfunction of one or more parking sensors
  • Damage to the wiring to the parking sensors
  • Problems with the parking system control unit
  • Dirty or damaged parking sensors
  • Problems with the system software

How to Fix

  1. Visual inspection of parking sensors for damage
  2. Cleaning parking sensors from dirt
  3. Checking the integrity of the wiring to the sensors
  4. Diagnostics of the parking system control unit
  5. Replacing faulty sensors or control unit

Related codes

FAQ

What does the P18CB code mean?

P18CB is an OBD-II diagnostic trouble code that indicates: Parking Assist System Performance

What causes a P18CB error code?

The most common causes of P18CB include: Malfunction of one or more parking sensors; Damage to the wiring to the parking sensors; Problems with the parking system control unit; Dirty or damaged parking sensors.

How do I fix a P18CB diagnostic trouble code?

To fix P18CB: Visual inspection of parking sensors for damage. Cleaning parking sensors from dirt. Checking the integrity of the wiring to the sensors. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P18CB?

Limited driving only, diagnose soon

How much does it cost to fix P18CB?

The estimated repair cost for P18CB is $17–89. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat