OBD Guide

U0612

Lost Communication With Intake Air Temperature Sensor 1 Bank 2

U0612 is an OBD-II diagnostic trouble code meaning: Lost Communication With Intake Air Temperature Sensor 1 Bank 2. Common causes: open or short circuit in the sensor circuit, intake air temperature sensor malfunction. Estimated repair cost: $6–28.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$6–28 (est.)

Symptoms

  • Check Engine light comes on
  • Increased fuel consumption
  • Reduced engine power
  • Unstable engine operation at idle
  • Possible problems starting the engine

Causes

  • Open or short circuit in the sensor circuit
  • Intake air temperature sensor malfunction
  • Poor contact in the sensor connector
  • Wiring harness damage
  • Malfunction of the engine control unit (rare)

How to Fix

  1. Check the integrity of the sensor circuit
  2. Check connections and sensor connector
  3. Test the intake air temperature sensor
  4. Replace sensor if necessary
  5. Check and replace wiring harness if necessary

Related codes

Error U0612 by Vehicle Brand

FAQ

What does the U0612 code mean?

U0612 is an OBD-II diagnostic trouble code that indicates: Lost Communication With Intake Air Temperature Sensor 1 Bank 2

What causes a U0612 error code?

The most common causes of U0612 include: Open or short circuit in the sensor circuit; Intake air temperature sensor malfunction; Poor contact in the sensor connector; Wiring harness damage.

How do I fix a U0612 diagnostic trouble code?

To fix U0612: Check the integrity of the sensor circuit. Check connections and sensor connector. Test the intake air temperature sensor. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with U0612?

Yes, but get it checked soon

How much does it cost to fix U0612?

The estimated repair cost for U0612 is $6–28. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat