OBD Guide
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B13F4

Right Rear Side Sensor Circuit Short To Battery

B13F4 is an OBD-II diagnostic trouble code meaning: Right Rear Side Sensor Circuit Short To Battery. Common causes: wiring harness damage, sensor contact corrosion. Estimated repair cost: $56–167.

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

Symptoms

  • Airbag light is on
  • The passive safety system may not work in an accident.
  • Possible false deployment of airbags

Causes

  • Wiring harness damage
  • Sensor contact corrosion
  • Sensor malfunction
  • Short circuit in the circuit

How to Fix

  1. Check wiring harness for damage
  2. Inspect the sensor contacts for corrosion
  3. Check sensor resistance
  4. Replace sensor if necessary
  5. Reset the error and check the system

Related codes

B13F3B13F5B13F6

FAQ

What does the B13F4 code mean?

B13F4 is an OBD-II diagnostic trouble code that indicates: Right Rear Side Sensor Circuit Short To Battery

What causes a B13F4 error code?

The most common causes of B13F4 include: Wiring harness damage; Sensor contact corrosion; Sensor malfunction; Short circuit in the circuit.

How do I fix a B13F4 diagnostic trouble code?

To fix B13F4: Check wiring harness for damage. Inspect the sensor contacts for corrosion. Check sensor resistance. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B13F4?

Limited driving only, diagnose soon

How much does it cost to fix B13F4?

The estimated repair cost for B13F4 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

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