OBD Guide

B048C

Humidity Sensor Humidity Circuit

B048C is an OBD-II diagnostic trouble code meaning: Humidity Sensor Humidity Circuit. Common causes: open or short circuit in the sensor circuit, humidity 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 climate control
  • Incorrect interior humidity readings
  • Check Engine Light Illuminates

Causes

  • Open or short circuit in the sensor circuit
  • Humidity sensor malfunction
  • Wiring harness damage
  • Problems with the climate control unit

How to Fix

  1. Check the continuity of the humidity sensor circuit
  2. Check the condition of the wiring harness
  3. Replace the humidity sensor if necessary
  4. Check the climate control control unit

Related codes

Error B048C by Vehicle Brand

FAQ

What does the B048C code mean?

B048C is an OBD-II diagnostic trouble code that indicates: Humidity Sensor Humidity Circuit

What causes a B048C error code?

The most common causes of B048C include: Open or short circuit in the sensor circuit; Humidity sensor malfunction; Wiring harness damage; Problems with the climate control unit.

How do I fix a B048C diagnostic trouble code?

To fix B048C: Check the continuity of the humidity sensor circuit. Check the condition of the wiring harness. Replace the humidity sensor if necessary. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B048C?

Limited driving only, diagnose soon

How much does it cost to fix B048C?

The estimated repair cost for B048C is $56–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat