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OBD-II code · generic

U0647

Lost Communication With Motor Electronics Coolant Pump B

System
U — In-vehicle network
Severity
Moderate (3/5)
Can I keep driving?
Drive with caution
01

What does U0647 mean?

U0647 is defined as “Lost Communication With Motor Electronics Coolant Pump B”.

Drive gently and only as far as you need to; have it checked as soon as possible.

02

Related codes

03

Look up another code

This page is general information; an exact diagnosis needs measurements and a technician’s check.