Charge Air Cooler Bypass Control A Range/Performance

Check these first

• A faulty intercooler bypass actuator A
• Low or high voltage at the actuator
• Corrosion in the actuator A connector
• A restriction through the intercooler
• A binding bypass flap

What to do next

1. Command intercooler bypass actuator A with a scan tool and watch travel
2. Check the supply voltage at the actuator A connector
3. Inspect the actuator wiring and connector for corrosion
4. Check the intercooler and bypass flap for a restriction or binding
5. Replace bypass actuator A if it does not reach its commanded positions
6. Clear the code and retest

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