OBD Guide

P1022

Charge Air Temp Circuit Low

P1022 is an OBD-II diagnostic trouble code meaning: Charge Air Temp Circuit Low. Common causes: charge air temperature sensor malfunction, open or short circuit in the sensor circuit. Estimated repair cost: $17–56.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$17–56 (est.)

Symptoms

  • Reduced engine power
  • Increased fuel consumption
  • Check Engine Light Is On
  • Problems starting the engine
  • Rough engine idling

Causes

  • Charge air temperature sensor malfunction
  • Open or short circuit in the sensor circuit
  • Poor contact in the sensor connector
  • Wiring harness damage
  • ECU malfunction (rare)

How to Fix

  1. Check the integrity of the sensor circuit
  2. Inspect the connectors and contacts of the sensor
  3. Check the resistance of the temperature sensor
  4. Replace temperature sensor if necessary
  5. Check and clear error codes after repair

Related codes

FAQ

What does the P1022 code mean?

P1022 is an OBD-II diagnostic trouble code that indicates: Charge Air Temp Circuit Low

What causes a P1022 error code?

The most common causes of P1022 include: Charge air temperature sensor malfunction; Open or short circuit in the sensor circuit; Poor contact in the sensor connector; Wiring harness damage.

How do I fix a P1022 diagnostic trouble code?

To fix P1022: Check the integrity of the sensor circuit. Inspect the connectors and contacts of the sensor. Check the resistance of the temperature sensor. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P1022?

Yes, but get it checked soon

How much does it cost to fix P1022?

The estimated repair cost for P1022 is $17–56. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat