P2601high severityPowertrain
Coolant Pump A Control Circuit Range/Performance
on 2004 GMC Yukon 5.3L V8 Vortec · RWD
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.
Other Powertrain codes on this vehicle
P0001
Fuel Volume Regulator Control Circuit/Open
P0002
Fuel Volume Regulator Control Circuit Range/Performance
P0003
Fuel Volume Regulator Control Circuit Low
P0004
Fuel Volume Regulator Control Circuit High
P0010
Intake Camshaft Position Actuator Circuit/Open Bank 1
P0011
Intake Camshaft Position Timing Over-Advanced Bank 1
P0012
Intake Camshaft Position Timing Over-Retarded Bank 1
P0013
Exhaust Camshaft Position Actuator Circuit/Open Bank 1
P0014
Exhaust Camshaft Position Timing Over-Advanced Bank 1
P0015
Exhaust Camshaft Position Timing Over-Retarded Bank 1