OBD Codes List

Diagnostic reference · P00E2

P00E2

Charge Air Cooler Coolant Temperature Sensor A Intermittent/Erratic

System
Fuel and air metering (P code)
Lamp
Check Engine Light
Category
Powertrain - Fuel/Air Metering

What it means

P00E2 means Charge Air Cooler Coolant Temperature Sensor A Intermittent/Erratic.

Where it lives

For P00E2, the description names the sensor as the part involved.

Check these first

  • A loose sensor A connector
  • An erratic charge air cooler coolant temperature sensor A
  • Air pockets in the charge air cooler circuit
  • Chafed sensor A wiring
  • A corroded ground for sensor A

What to do next

  1. Inspect the sensor A connector and wiring
  2. Bleed air from the charge air cooler circuit
  3. Wiggle test the sensor A harness on live data
  4. Replace sensor A if the signal jumps
  5. Repair any chafed wiring and clean the ground
  6. Clear the code and retest

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Updated

Generic SAE J2012 definition. Last updated 2026-10-10.