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P261F coolant pump

daveb

Member
Joined
Oct 14, 2023
Messages
10
Location
CA
V-Series Cadillac(s)?
2023 CT5-V
2023 ct5v nb
CEL on showing P261F coolant pump "a" control circuit stuck on. Dealer installed new pump and P261F returned a week later. Second pump being installed now.
 
Last edited:
Just to close the loop on this...

After replacing another (different) pump, still getting codes. After proper Vacuum coolant system bleed and "burp" no codes or problems after 2 months.
 

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