OBD Guide
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B13B5

Rear Center Sensor Circuit Short To Battery

B13B5 is an OBD-II diagnostic trouble code meaning: Rear Center Sensor Circuit Short To Battery. Common causes: wiring harness damage, short circuit in the sensor circuit. Estimated repair cost: $56–167.

Severity
⚠️ Medium
Can you drive?
Do not drive — repair immediately
Approx. repair cost
$56–167 (est.)

Symptoms

  • The SRS/airbag indicator on the dashboard is on
  • The passive safety system does not activate
  • False alarms of the system

Causes

  • Wiring harness damage
  • Short circuit in the sensor circuit
  • Contact corrosion
  • Sensor malfunction
  • Problems with the sensor connector

How to Fix

  1. Diagnose the SRS system using a scanner
  2. Visually inspect the wiring harness for damage.
  3. Check the resistance and continuity of the sensor circuit
  4. Check connectors for corrosion
  5. If necessary, replace the sensor or section of the harness
  6. Reset the error and check the system operation

Related codes

B13B0B13B1B13B2B13B3B13B4

FAQ

What does the B13B5 code mean?

B13B5 is an OBD-II diagnostic trouble code that indicates: Rear Center Sensor Circuit Short To Battery

What causes a B13B5 error code?

The most common causes of B13B5 include: Wiring harness damage; Short circuit in the sensor circuit; Contact corrosion; Sensor malfunction.

How do I fix a B13B5 diagnostic trouble code?

To fix B13B5: Diagnose the SRS system using a scanner. Visually inspect the wiring harness for damage.. Check the resistance and continuity of the sensor circuit. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B13B5?

Do not drive — repair immediately

How much does it cost to fix B13B5?

The estimated repair cost for B13B5 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat