OBD Guide

P00A1

Charge Air Cooler Temperature Sensor Circuit Range/Performance Bank 2

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$56–167 (est.)

Symptoms

  • Reduced engine power
  • Increased fuel consumption
  • Unstable engine operation
  • Check Engine Light Illuminates

Causes

  • Charge air cooler temperature sensor malfunction
  • Open or short circuit in wiring harness
  • Poor connection or corroded contacts
  • ECU malfunction

How to Fix

  1. Check the integrity of the wiring harness and connections
  2. Check the resistance of the temperature sensor
  3. Replace temperature sensor if necessary
  4. Check and clean contacts
  5. Test the operation of the system after repair

Related codes

Error P00A1 by Vehicle Brand