Charge Air Cooler Coolant Pump B Performance

Where it lives

For P2CB0, start at the pump the description names.

Check these first

• A charge air cooler coolant pump B moving less coolant than commanded
• Air in the charge air cooler coolant loop
• An intermittent power supply to pump B
• A pump B impeller worn or slipping

What to do next

1. Command charge air cooler coolant pump B on a scan tool
2. Bleed air from the charge air cooler coolant loop
3. Check the pump B power and ground
4. Watch pump B speed against the commanded value
5. Replace charge air cooler coolant pump B if it will not track
6. Clear the code and retest

Look up another code