P2601high severityPowertrain
Coolant Pump A Control Circuit Range/Performance
on 2010 Toyota Highlander 2.7L I4 · FWD
What this code means
The electric coolant pump is not performing as expected.
Symptoms
- Intermittent overheating
- Check engine light
- Reduced cabin heat
Common causes
- Weak pump motor
- Partial blockage
- Control module fault
- Low coolant
Diagnostic steps
- Verify coolant level
- Monitor pump current draw
- Check for blockage
Repair notes
Check coolant level first. Replace pump if current draw abnormal.
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P0001
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P0002
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P0010
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P0014
Exhaust Camshaft Position Timing Over-Advanced Bank 1
P0015
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