P00A1 - OBD II Trouble Code

Our automotive experts have put together the following information about the P00A1 diagnostic trouble code. We've provided the common symptoms that occur when this code is set along with the frequent repairs that address the issues related to the P00A1 code.

OBD II Fault Code

• OBD II P00A1

OBD-II Code Powertrain Control Module (PCM) failure is defined as a Charge Air Cooler Temperature Sensor Circuit

The Charge Air Cooler Temperature Sensors tell the engine control module (PCM) the temperature of the air going into an out of the charge air cooler assembly. The Charge Air Cooler Assembly cools the air coming out of the turbocharger before the air goes into the engine. If the PCM detects an incorrect signal from the Charge Air Cooler Sensor, the PCM will set code P00A1.

Common Problems That Trigger the P00A1 Code

• Charge air temperature failure
• Powertrain Control Module (PCM) failure
• Wiring issue