OBD Guide
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B1228

Short In The Outside Air Temperature Sensor Circuit

B1228 is an OBD-II diagnostic trouble code meaning: Short In The Outside Air Temperature Sensor Circuit. Common causes: wiring harness damage, oxidation of sensor contacts. Estimated repair cost: $33–89.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$33–89 (est.)

Symptoms

  • Incorrect outdoor temperature readings
  • Climate control system malfunction
  • Check Engine Light Illuminated

Causes

  • Wiring harness damage
  • Oxidation of sensor contacts
  • Outside air temperature sensor malfunction
  • Short circuit in the circuit

How to Fix

  1. Outside Air Temperature Sensor Circuit Diagnostics
  2. Checking the condition of the wiring harness and contacts
  3. Replacing the outside air temperature sensor if necessary
  4. Repair or replace damaged sections of the wiring harness

Related codes

B1229B1230

FAQ

What does the B1228 code mean?

B1228 is an OBD-II diagnostic trouble code that indicates: Short In The Outside Air Temperature Sensor Circuit

What causes a B1228 error code?

The most common causes of B1228 include: Wiring harness damage; Oxidation of sensor contacts; Outside air temperature sensor malfunction; Short circuit in the circuit.

How do I fix a B1228 diagnostic trouble code?

To fix B1228: Outside Air Temperature Sensor Circuit Diagnostics. Checking the condition of the wiring harness and contacts. Replacing the outside air temperature sensor if necessary. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B1228?

Limited driving only, diagnose soon

How much does it cost to fix B1228?

The estimated repair cost for B1228 is $33–89. Actual cost depends on your vehicle, location, and labor rates.

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