OBD Guide
ENFRDEESPT

B1224

Short In The Rear In-Car Temperature Sensor Circuit

B1224 is an OBD-II diagnostic trouble code meaning: Short In The Rear In-Car Temperature Sensor Circuit. Common causes: damage to the sensor wiring harness, temperature sensor malfunction. Estimated repair cost: $56–167.

Severity
✅ Low
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$56–167 (est.)

Symptoms

  • Incorrect operation of climate control
  • Incorrect rear temperature readings
  • Check Engine Light Is On

Causes

  • Damage to the sensor wiring harness
  • Temperature sensor malfunction
  • Short circuit in the circuit
  • Problems with the climate control unit

How to Fix

  1. Check the integrity of the wiring harness
  2. Check the resistance of the temperature sensor
  3. Replace sensor if necessary
  4. Check connections to the control unit

Related codes

B1223B1225

FAQ

What does the B1224 code mean?

B1224 is an OBD-II diagnostic trouble code that indicates: Short In The Rear In-Car Temperature Sensor Circuit

What causes a B1224 error code?

The most common causes of B1224 include: Damage to the sensor wiring harness; Temperature sensor malfunction; Short circuit in the circuit; Problems with the climate control unit.

How do I fix a B1224 diagnostic trouble code?

To fix B1224: Check the integrity of the wiring harness. Check the resistance of the temperature sensor. Replace sensor if necessary. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B1224?

Yes, but get it checked soon

How much does it cost to fix B1224?

The estimated repair cost for B1224 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

FRDEESPT

See also: Russian version · NationStat