OBD Guide
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B1A61

Cabin Temperature Sensor Circuit Short

B1A61 is an OBD-II diagnostic trouble code meaning: Cabin Temperature Sensor Circuit Short. Common causes: wiring harness damage, short circuit in the sensor circuit. Estimated repair cost: $22–56.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$22–56 (est.)

Symptoms

  • Incorrect operation of climate control
  • The climate control system freezes
  • Lack of response to changes in temperature in the cabin

Causes

  • Wiring harness damage
  • Short circuit in the sensor circuit
  • Oxidation of sensor contacts
  • Malfunction of the interior temperature sensor

How to Fix

  1. Check wiring harness for damage
  2. Inspect the sensor contacts for the presence of oxides
  3. Test the sensor circuit with a multimeter
  4. If necessary, replace the interior temperature sensor

Related codes

B1A60B1A62

FAQ

What does the B1A61 code mean?

B1A61 is an OBD-II diagnostic trouble code that indicates: Cabin Temperature Sensor Circuit Short

What causes a B1A61 error code?

The most common causes of B1A61 include: Wiring harness damage; Short circuit in the sensor circuit; Oxidation of sensor contacts; Malfunction of the interior temperature sensor.

How do I fix a B1A61 diagnostic trouble code?

To fix B1A61: Check wiring harness for damage. Inspect the sensor contacts for the presence of oxides. Test the sensor circuit with a multimeter. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B1A61?

Yes, but get it checked soon

How much does it cost to fix B1A61?

The estimated repair cost for B1A61 is $22–56. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat