Barometric Pressure Sensor Reset

Diagnostic Instructions Perform the Diagnostic System Check prior to using this diagnostic procedure: Diagnostic System Check - Vehicle Review the description of Strategy Based Diagnosis: Strategy Based Diagnosis Description For an overview of the component/system, refer to: Engine Control Module Description This procedure resets the control module learned values of the component/system: Barometric Pressure Sensor — Airflow Adaptive Values When to Perform the Procedure

Note

Failure to perform this procedure may result in poor system performance, DTCs being set, or customer dissatisfaction. Perform this procedure when the following component has been serviced: B75C Multifunction Intake Air Sensor — Cleaned / Replaced K20 Engine Control Module — Replaced Conditions for Running the Procedure DTC P00C7, P2227–P2230, P227B–P227E = Not set Engine = Off Ignition = On Reference Information Scan Tool Reference Control Module References With Scan Tool

1. Ignition » On / Vehicle » In Service Mode
2. Select: Module Diagnostics
3. Select: Engine Control Module
4. Select: Configuration/Reset Functions
5. Select: Reset Functions
6. Select: Barometric Pressure Sensor Reset
7. Follow the instructions on the scan tool. Repair Instructions Perform the Diagnostic Repair Verification after completing the repair: Diagnostic Repair Verification